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Finding the Fourth Proportional to 424,729.49, 586,126.76 and 233,742.87

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Solution

The fourth proportional to 424,729.49, 586,126.76 and 233,742.87 is: 322,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,729.49 : 586,126.76 = 233,742.87 : x
  2. Step 2: Convert to fraction form
    424,729.49/586,126.76 = 233,742.87/x
  3. Step 3: Cross multiply
    424,729.49x = 586,126.76 × 233,742.87
  4. Step 4: Simplify right side
    424,729.49x = 137,002,949,897.49
  5. Step 5: Solve for x
    x = 137,002,949,897.49/424,729.49
  6. Step 6: Final answer
    x = 322,565.20

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1.5x scale

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.