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Finding the Fourth Proportional to 502,024.60, 753,036.90 and 432,040.60

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Solution

The fourth proportional to 502,024.60, 753,036.90 and 432,040.60 is: 648,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,024.60 : 753,036.90 = 432,040.60 : x
  2. Step 2: Convert to fraction form
    502,024.60/753,036.90 = 432,040.60/x
  3. Step 3: Cross multiply
    502,024.60x = 753,036.90 × 432,040.60
  4. Step 4: Simplify right side
    502,024.60x = 325,342,514,098.14
  5. Step 5: Solve for x
    x = 325,342,514,098.14/502,024.60
  6. Step 6: Final answer
    x = 648,060.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.