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Finding the Fourth Proportional to 344,879.12, 517,167.88 and 173,995.72

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Solution

The fourth proportional to 344,879.12, 517,167.88 and 173,995.72 is: 260,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,879.12 : 517,167.88 = 173,995.72 : x
  2. Step 2: Convert to fraction form
    344,879.12/517,167.88 = 173,995.72/x
  3. Step 3: Cross multiply
    344,879.12x = 517,167.88 × 173,995.72
  4. Step 4: Simplify right side
    344,879.12x = 89,984,997,641.47
  5. Step 5: Solve for x
    x = 89,984,997,641.47/344,879.12
  6. Step 6: Final answer
    x = 260,917.50

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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.