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Finding the Fourth Proportional to 569,720.40, 854,580.60 and 368,953.80

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Solution

The fourth proportional to 569,720.40, 854,580.60 and 368,953.80 is: 553,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,720.40 : 854,580.60 = 368,953.80 : x
  2. Step 2: Convert to fraction form
    569,720.40/854,580.60 = 368,953.80/x
  3. Step 3: Cross multiply
    569,720.40x = 854,580.60 × 368,953.80
  4. Step 4: Simplify right side
    569,720.40x = 315,300,759,776.28
  5. Step 5: Solve for x
    x = 315,300,759,776.28/569,720.40
  6. Step 6: Final answer
    x = 553,430.70

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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.