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Finding the Fourth Proportional to 526,017.38, 725,889.46 and 296,572.68

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Solution

The fourth proportional to 526,017.38, 725,889.46 and 296,572.68 is: 409,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,017.38 : 725,889.46 = 296,572.68 : x
  2. Step 2: Convert to fraction form
    526,017.38/725,889.46 = 296,572.68/x
  3. Step 3: Cross multiply
    526,017.38x = 725,889.46 × 296,572.68
  4. Step 4: Simplify right side
    526,017.38x = 215,278,982,535.95
  5. Step 5: Solve for x
    x = 215,278,982,535.95/526,017.38
  6. Step 6: Final answer
    x = 409,262.11

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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.