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Finding the Fourth Proportional to 431,752.14, 647,606.34 and 151,247.52

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Solution

The fourth proportional to 431,752.14, 647,606.34 and 151,247.52 is: 226,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,752.14 : 647,606.34 = 151,247.52 : x
  2. Step 2: Convert to fraction form
    431,752.14/647,606.34 = 151,247.52/x
  3. Step 3: Cross multiply
    431,752.14x = 647,606.34 × 151,247.52
  4. Step 4: Simplify right side
    431,752.14x = 97,948,852,861.28
  5. Step 5: Solve for x
    x = 97,948,852,861.28/431,752.14
  6. Step 6: Final answer
    x = 226,863.62

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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.