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Finding the Fourth Proportional to 451,368.86, 676,838.10 and 167,046.62

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Solution

The fourth proportional to 451,368.86, 676,838.10 and 167,046.62 is: 250,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,368.86 : 676,838.10 = 167,046.62 : x
  2. Step 2: Convert to fraction form
    451,368.86/676,838.10 = 167,046.62/x
  3. Step 3: Cross multiply
    451,368.86x = 676,838.10 × 167,046.62
  4. Step 4: Simplify right side
    451,368.86x = 113,063,516,892.22
  5. Step 5: Solve for x
    x = 113,063,516,892.22/451,368.86
  6. Step 6: Final answer
    x = 250,490.29

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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.