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Finding the Fourth Proportional to 344,999.52, 517,335.39 and 120,332.66

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Solution

The fourth proportional to 344,999.52, 517,335.39 and 120,332.66 is: 180,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,999.52 : 517,335.39 = 120,332.66 : x
  2. Step 2: Convert to fraction form
    344,999.52/517,335.39 = 120,332.66/x
  3. Step 3: Cross multiply
    344,999.52x = 517,335.39 × 120,332.66
  4. Step 4: Simplify right side
    344,999.52x = 62,252,341,004.16
  5. Step 5: Solve for x
    x = 62,252,341,004.16/344,999.52
  6. Step 6: Final answer
    x = 180,441.82

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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.