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Finding the Fourth Proportional to 526,088.91, 726,002.52 and 284,371.35

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Solution

The fourth proportional to 526,088.91, 726,002.52 and 284,371.35 is: 392,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,088.91 : 726,002.52 = 284,371.35 : x
  2. Step 2: Convert to fraction form
    526,088.91/726,002.52 = 284,371.35/x
  3. Step 3: Cross multiply
    526,088.91x = 726,002.52 × 284,371.35
  4. Step 4: Simplify right side
    526,088.91x = 206,454,316,715.80
  5. Step 5: Solve for x
    x = 206,454,316,715.80/526,088.91
  6. Step 6: Final answer
    x = 392,432.37

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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.