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Finding the Fourth Proportional to 701,522.08, 967,863.60 and 399,502.24

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Solution

The fourth proportional to 701,522.08, 967,863.60 and 399,502.24 is: 551,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,522.08 : 967,863.60 = 399,502.24 : x
  2. Step 2: Convert to fraction form
    701,522.08/967,863.60 = 399,502.24/x
  3. Step 3: Cross multiply
    701,522.08x = 967,863.60 × 399,502.24
  4. Step 4: Simplify right side
    701,522.08x = 386,663,676,214.46
  5. Step 5: Solve for x
    x = 386,663,676,214.46/701,522.08
  6. Step 6: Final answer
    x = 551,178.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.