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Finding the Fourth Proportional to 634,099.52, 874,292.16 and 547,902.72

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Solution

The fourth proportional to 634,099.52, 874,292.16 and 547,902.72 is: 755,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,099.52 : 874,292.16 = 547,902.72 : x
  2. Step 2: Convert to fraction form
    634,099.52/874,292.16 = 547,902.72/x
  3. Step 3: Cross multiply
    634,099.52x = 874,292.16 × 547,902.72
  4. Step 4: Simplify right side
    634,099.52x = 479,027,052,538.68
  5. Step 5: Solve for x
    x = 479,027,052,538.68/634,099.52
  6. Step 6: Final answer
    x = 755,444.59

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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.