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Finding the Fourth Proportional to 468,612, 703,132.20 and 255,060

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Solution

The fourth proportional to 468,612, 703,132.20 and 255,060 is: 382,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,612 : 703,132.20 = 255,060 : x
  2. Step 2: Convert to fraction form
    468,612/703,132.20 = 255,060/x
  3. Step 3: Cross multiply
    468,612x = 703,132.20 × 255,060
  4. Step 4: Simplify right side
    468,612x = 179,340,898,932
  5. Step 5: Solve for x
    x = 179,340,898,932/468,612
  6. Step 6: Final answer
    x = 382,706.59

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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.