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Finding the Fourth Proportional to 526,590.92, 725,939.62 and 375,425.48

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Solution

The fourth proportional to 526,590.92, 725,939.62 and 375,425.48 is: 517,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,590.92 : 725,939.62 = 375,425.48 : x
  2. Step 2: Convert to fraction form
    526,590.92/725,939.62 = 375,425.48/x
  3. Step 3: Cross multiply
    526,590.92x = 725,939.62 × 375,425.48
  4. Step 4: Simplify right side
    526,590.92x = 272,536,230,289.52
  5. Step 5: Solve for x
    x = 272,536,230,289.52/526,590.92
  6. Step 6: Final answer
    x = 517,548.29

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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.