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Finding the Fourth Proportional to 460,354.64, 635,306.56 and 253,631.43

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Solution

The fourth proportional to 460,354.64, 635,306.56 and 253,631.43 is: 350,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,354.64 : 635,306.56 = 253,631.43 : x
  2. Step 2: Convert to fraction form
    460,354.64/635,306.56 = 253,631.43/x
  3. Step 3: Cross multiply
    460,354.64x = 635,306.56 × 253,631.43
  4. Step 4: Simplify right side
    460,354.64x = 161,133,710,667.10
  5. Step 5: Solve for x
    x = 161,133,710,667.10/460,354.64
  6. Step 6: Final answer
    x = 350,020.83

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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.