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Finding the Fourth Proportional to 616,586.60, 924,005.10 and 455,404.70

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Solution

The fourth proportional to 616,586.60, 924,005.10 and 455,404.70 is: 682,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,586.60 : 924,005.10 = 455,404.70 : x
  2. Step 2: Convert to fraction form
    616,586.60/924,005.10 = 455,404.70/x
  3. Step 3: Cross multiply
    616,586.60x = 924,005.10 × 455,404.70
  4. Step 4: Simplify right side
    616,586.60x = 420,796,265,363.97
  5. Step 5: Solve for x
    x = 420,796,265,363.97/616,586.60
  6. Step 6: Final answer
    x = 682,460.93

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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.