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Finding the Fourth Proportional to 924,881.16, 1,386,375.78 and 468,627.21

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Solution

The fourth proportional to 924,881.16, 1,386,375.78 and 468,627.21 is: 702,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,881.16 : 1,386,375.78 = 468,627.21 : x
  2. Step 2: Convert to fraction form
    924,881.16/1,386,375.78 = 468,627.21/x
  3. Step 3: Cross multiply
    924,881.16x = 1,386,375.78 × 468,627.21
  4. Step 4: Simplify right side
    924,881.16x = 649,693,413,792.97
  5. Step 5: Solve for x
    x = 649,693,413,792.97/924,881.16
  6. Step 6: Final answer
    x = 702,461.51

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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.