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Finding the Fourth Proportional to 526,585.92, 725,932.80 and 375,420.48

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Solution

The fourth proportional to 526,585.92, 725,932.80 and 375,420.48 is: 517,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,585.92 : 725,932.80 = 375,420.48 : x
  2. Step 2: Convert to fraction form
    526,585.92/725,932.80 = 375,420.48/x
  3. Step 3: Cross multiply
    526,585.92x = 725,932.80 × 375,420.48
  4. Step 4: Simplify right side
    526,585.92x = 272,530,040,223.74
  5. Step 5: Solve for x
    x = 272,530,040,223.74/526,585.92
  6. Step 6: Final answer
    x = 517,541.45

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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.