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Finding the Fourth Proportional to 628,081.60, 941,085.60 and 534,769.60

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Solution

The fourth proportional to 628,081.60, 941,085.60 and 534,769.60 is: 801,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,081.60 : 941,085.60 = 534,769.60 : x
  2. Step 2: Convert to fraction form
    628,081.60/941,085.60 = 534,769.60/x
  3. Step 3: Cross multiply
    628,081.60x = 941,085.60 × 534,769.60
  4. Step 4: Simplify right side
    628,081.60x = 503,263,969,877.76
  5. Step 5: Solve for x
    x = 503,263,969,877.76/628,081.60
  6. Step 6: Final answer
    x = 801,271.63

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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.