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Finding the Fourth Proportional to 526,304.58, 726,299.82 and 284,586.58

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Solution

The fourth proportional to 526,304.58, 726,299.82 and 284,586.58 is: 392,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,304.58 : 726,299.82 = 284,586.58 : x
  2. Step 2: Convert to fraction form
    526,304.58/726,299.82 = 284,586.58/x
  3. Step 3: Cross multiply
    526,304.58x = 726,299.82 × 284,586.58
  4. Step 4: Simplify right side
    526,304.58x = 206,695,179,895.78
  5. Step 5: Solve for x
    x = 206,695,179,895.78/526,304.58
  6. Step 6: Final answer
    x = 392,729.20

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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.