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Finding the Fourth Proportional to 526,311.34, 726,309.11 and 284,593.30

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Solution

The fourth proportional to 526,311.34, 726,309.11 and 284,593.30 is: 392,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,311.34 : 726,309.11 = 284,593.30 : x
  2. Step 2: Convert to fraction form
    526,311.34/726,309.11 = 284,593.30/x
  3. Step 3: Cross multiply
    526,311.34x = 726,309.11 × 284,593.30
  4. Step 4: Simplify right side
    526,311.34x = 206,702,705,330.67
  5. Step 5: Solve for x
    x = 206,702,705,330.67/526,311.34
  6. Step 6: Final answer
    x = 392,738.46

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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.