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Finding the Fourth Proportional to 924,348.92, 1,386,504.92 and 418,815.68

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Solution

The fourth proportional to 924,348.92, 1,386,504.92 and 418,815.68 is: 628,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,348.92 : 1,386,504.92 = 418,815.68 : x
  2. Step 2: Convert to fraction form
    924,348.92/1,386,504.92 = 418,815.68/x
  3. Step 3: Cross multiply
    924,348.92x = 1,386,504.92 × 418,815.68
  4. Step 4: Simplify right side
    924,348.92x = 580,689,995,007.66
  5. Step 5: Solve for x
    x = 580,689,995,007.66/924,348.92
  6. Step 6: Final answer
    x = 628,215.15

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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.