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Finding the Fourth Proportional to 526,311.03, 726,308.68 and 284,593.03

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Solution

The fourth proportional to 526,311.03, 726,308.68 and 284,593.03 is: 392,738.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,311.03 : 726,308.68 = 284,593.03 : x
  2. Step 2: Convert to fraction form
    526,311.03/726,308.68 = 284,593.03/x
  3. Step 3: Cross multiply
    526,311.03x = 726,308.68 × 284,593.03
  4. Step 4: Simplify right side
    526,311.03x = 206,702,387,956.50
  5. Step 5: Solve for x
    x = 206,702,387,956.50/526,311.03
  6. Step 6: Final answer
    x = 392,738.09

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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.