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Finding the Fourth Proportional to 347,229.52, 520,885.92 and 122,543.52

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Solution

The fourth proportional to 347,229.52, 520,885.92 and 122,543.52 is: 183,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,229.52 : 520,885.92 = 122,543.52 : x
  2. Step 2: Convert to fraction form
    347,229.52/520,885.92 = 122,543.52/x
  3. Step 3: Cross multiply
    347,229.52x = 520,885.92 × 122,543.52
  4. Step 4: Simplify right side
    347,229.52x = 63,831,194,155.24
  5. Step 5: Solve for x
    x = 63,831,194,155.24/347,229.52
  6. Step 6: Final answer
    x = 183,829.98

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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.