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Finding the Fourth Proportional to 616,593.60, 924,015.60 and 455,411.70

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Solution

The fourth proportional to 616,593.60, 924,015.60 and 455,411.70 is: 682,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,593.60 : 924,015.60 = 455,411.70 : x
  2. Step 2: Convert to fraction form
    616,593.60/924,015.60 = 455,411.70/x
  3. Step 3: Cross multiply
    616,593.60x = 924,015.60 × 455,411.70
  4. Step 4: Simplify right side
    616,593.60x = 420,807,515,222.52
  5. Step 5: Solve for x
    x = 420,807,515,222.52/616,593.60
  6. Step 6: Final answer
    x = 682,471.43

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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.