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Finding the Fourth Proportional to 468,972.68, 703,376.46 and 136,470.92

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Solution

The fourth proportional to 468,972.68, 703,376.46 and 136,470.92 is: 204,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,972.68 : 703,376.46 = 136,470.92 : x
  2. Step 2: Convert to fraction form
    468,972.68/703,376.46 = 136,470.92/x
  3. Step 3: Cross multiply
    468,972.68x = 703,376.46 × 136,470.92
  4. Step 4: Simplify right side
    468,972.68x = 95,990,432,602.54
  5. Step 5: Solve for x
    x = 95,990,432,602.54/468,972.68
  6. Step 6: Final answer
    x = 204,682.36

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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.