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Finding the Fourth Proportional to 296,694, 445,026.96 and 96,989.04

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Solution

The fourth proportional to 296,694, 445,026.96 and 96,989.04 is: 145,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,694 : 445,026.96 = 96,989.04 : x
  2. Step 2: Convert to fraction form
    296,694/445,026.96 = 96,989.04/x
  3. Step 3: Cross multiply
    296,694x = 445,026.96 × 96,989.04
  4. Step 4: Simplify right side
    296,694x = 43,162,737,624.52
  5. Step 5: Solve for x
    x = 43,162,737,624.52/296,694
  6. Step 6: Final answer
    x = 145,478.97

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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.