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Finding the Fourth Proportional to 526,589.92, 725,938.24 and 375,424.48

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Solution

The fourth proportional to 526,589.92, 725,938.24 and 375,424.48 is: 517,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,589.92 : 725,938.24 = 375,424.48 : x
  2. Step 2: Convert to fraction form
    526,589.92/725,938.24 = 375,424.48/x
  3. Step 3: Cross multiply
    526,589.92x = 725,938.24 × 375,424.48
  4. Step 4: Simplify right side
    526,589.92x = 272,534,986,264.12
  5. Step 5: Solve for x
    x = 272,534,986,264.12/526,589.92
  6. Step 6: Final answer
    x = 517,546.91

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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.