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Finding the Fourth Proportional to 424,869.83, 637,304.76 and 158,651.13

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Solution

The fourth proportional to 424,869.83, 637,304.76 and 158,651.13 is: 237,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,869.83 : 637,304.76 = 158,651.13 : x
  2. Step 2: Convert to fraction form
    424,869.83/637,304.76 = 158,651.13/x
  3. Step 3: Cross multiply
    424,869.83x = 637,304.76 × 158,651.13
  4. Step 4: Simplify right side
    424,869.83x = 101,109,120,328.38
  5. Step 5: Solve for x
    x = 101,109,120,328.38/424,869.83
  6. Step 6: Final answer
    x = 237,976.70

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Double scale
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Similar ratio
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1.5x scale

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.