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Finding the Fourth Proportional to 344,612.32, 517,508.96 and 187,148.32

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Solution

The fourth proportional to 344,612.32, 517,508.96 and 187,148.32 is: 281,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,612.32 : 517,508.96 = 187,148.32 : x
  2. Step 2: Convert to fraction form
    344,612.32/517,508.96 = 187,148.32/x
  3. Step 3: Cross multiply
    344,612.32x = 517,508.96 × 187,148.32
  4. Step 4: Simplify right side
    344,612.32x = 96,850,932,448.95
  5. Step 5: Solve for x
    x = 96,850,932,448.95/344,612.32
  6. Step 6: Final answer
    x = 281,043.15

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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.