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Finding the Fourth Proportional to 526,586.76, 726,691.50 and 284,870.34

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Solution

The fourth proportional to 526,586.76, 726,691.50 and 284,870.34 is: 393,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,586.76 : 726,691.50 = 284,870.34 : x
  2. Step 2: Convert to fraction form
    526,586.76/726,691.50 = 284,870.34/x
  3. Step 3: Cross multiply
    526,586.76x = 726,691.50 × 284,870.34
  4. Step 4: Simplify right side
    526,586.76x = 207,012,854,680.11
  5. Step 5: Solve for x
    x = 207,012,854,680.11/526,586.76
  6. Step 6: Final answer
    x = 393,122.03

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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.