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Finding the Fourth Proportional to 526,575.59, 726,672.12 and 284,857.56

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Solution

The fourth proportional to 526,575.59, 726,672.12 and 284,857.56 is: 393,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,575.59 : 726,672.12 = 284,857.56 : x
  2. Step 2: Convert to fraction form
    526,575.59/726,672.12 = 284,857.56/x
  3. Step 3: Cross multiply
    526,575.59x = 726,672.12 × 284,857.56
  4. Step 4: Simplify right side
    526,575.59x = 206,998,048,680.03
  5. Step 5: Solve for x
    x = 206,998,048,680.03/526,575.59
  6. Step 6: Final answer
    x = 393,102.25

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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.