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Finding the Fourth Proportional to 463,631.31, 695,446.97 and 253,154.43

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Solution

The fourth proportional to 463,631.31, 695,446.97 and 253,154.43 is: 379,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,631.31 : 695,446.97 = 253,154.43 : x
  2. Step 2: Convert to fraction form
    463,631.31/695,446.97 = 253,154.43/x
  3. Step 3: Cross multiply
    463,631.31x = 695,446.97 × 253,154.43
  4. Step 4: Simplify right side
    463,631.31x = 176,055,480,019.81
  5. Step 5: Solve for x
    x = 176,055,480,019.81/463,631.31
  6. Step 6: Final answer
    x = 379,731.65

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Similar ratio
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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.