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Finding the Fourth Proportional to 542,766.24, 748,920.60 and 327,762.36

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Solution

The fourth proportional to 542,766.24, 748,920.60 and 327,762.36 is: 452,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,766.24 : 748,920.60 = 327,762.36 : x
  2. Step 2: Convert to fraction form
    542,766.24/748,920.60 = 327,762.36/x
  3. Step 3: Cross multiply
    542,766.24x = 748,920.60 × 327,762.36
  4. Step 4: Simplify right side
    542,766.24x = 245,467,983,308.62
  5. Step 5: Solve for x
    x = 245,467,983,308.62/542,766.24
  6. Step 6: Final answer
    x = 452,253.60

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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.