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Finding the Fourth Proportional to 542,562.44, 748,737.78 and 300,862.04

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Solution

The fourth proportional to 542,562.44, 748,737.78 and 300,862.04 is: 415,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,562.44 : 748,737.78 = 300,862.04 : x
  2. Step 2: Convert to fraction form
    542,562.44/748,737.78 = 300,862.04/x
  3. Step 3: Cross multiply
    542,562.44x = 748,737.78 × 300,862.04
  4. Step 4: Simplify right side
    542,562.44x = 225,266,775,915.87
  5. Step 5: Solve for x
    x = 225,266,775,915.87/542,562.44
  6. Step 6: Final answer
    x = 415,190.51

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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.