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Finding the Fourth Proportional to 569,759,278.40, 854,638,917.60 and 563,712,660.80

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Solution

The fourth proportional to 569,759,278.40, 854,638,917.60 and 563,712,660.80 is: 845,568,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,759,278.40 : 854,638,917.60 = 563,712,660.80 : x
  2. Step 2: Convert to fraction form
    569,759,278.40/854,638,917.60 = 563,712,660.80/x
  3. Step 3: Cross multiply
    569,759,278.40x = 854,638,917.60 × 563,712,660.80
  4. Step 4: Simplify right side
    569,759,278.40x = 481,770,778,263,527,936
  5. Step 5: Solve for x
    x = 481,770,778,263,527,936/569,759,278.40
  6. Step 6: Final answer
    x = 845,568,991.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.