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Finding the Fourth Proportional to 574,280.54, 861,543.88 and 174,953.48

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Solution

The fourth proportional to 574,280.54, 861,543.88 and 174,953.48 is: 262,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,280.54 : 861,543.88 = 174,953.48 : x
  2. Step 2: Convert to fraction form
    574,280.54/861,543.88 = 174,953.48/x
  3. Step 3: Cross multiply
    574,280.54x = 861,543.88 × 174,953.48
  4. Step 4: Simplify right side
    574,280.54x = 150,730,099,978.70
  5. Step 5: Solve for x
    x = 150,730,099,978.70/574,280.54
  6. Step 6: Final answer
    x = 262,467.71

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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.