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Finding the Fourth Proportional to 526,272.48, 726,255.99 and 284,554.98

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Solution

The fourth proportional to 526,272.48, 726,255.99 and 284,554.98 is: 392,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,272.48 : 726,255.99 = 284,554.98 : x
  2. Step 2: Convert to fraction form
    526,272.48/726,255.99 = 284,554.98/x
  3. Step 3: Cross multiply
    526,272.48x = 726,255.99 × 284,554.98
  4. Step 4: Simplify right side
    526,272.48x = 206,659,758,709.33
  5. Step 5: Solve for x
    x = 206,659,758,709.33/526,272.48
  6. Step 6: Final answer
    x = 392,685.85

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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.