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Finding the Fourth Proportional to 454,300.38, 626,938.65 and 250,358.61

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Solution

The fourth proportional to 454,300.38, 626,938.65 and 250,358.61 is: 345,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,300.38 : 626,938.65 = 250,358.61 : x
  2. Step 2: Convert to fraction form
    454,300.38/626,938.65 = 250,358.61/x
  3. Step 3: Cross multiply
    454,300.38x = 626,938.65 × 250,358.61
  4. Step 4: Simplify right side
    454,300.38x = 156,959,491,320.30
  5. Step 5: Solve for x
    x = 156,959,491,320.30/454,300.38
  6. Step 6: Final answer
    x = 345,497.16

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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.