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Finding the Fourth Proportional to 526,375.92, 726,406.11 and 296,943.83

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Solution

The fourth proportional to 526,375.92, 726,406.11 and 296,943.83 is: 409,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,375.92 : 726,406.11 = 296,943.83 : x
  2. Step 2: Convert to fraction form
    526,375.92/726,406.11 = 296,943.83/x
  3. Step 3: Cross multiply
    526,375.92x = 726,406.11 × 296,943.83
  4. Step 4: Simplify right side
    526,375.92x = 215,701,812,438.80
  5. Step 5: Solve for x
    x = 215,701,812,438.80/526,375.92
  6. Step 6: Final answer
    x = 409,786.63

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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.