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Finding the Fourth Proportional to 469,295.70, 703,881.09 and 132,363.42

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Solution

The fourth proportional to 469,295.70, 703,881.09 and 132,363.42 is: 198,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,295.70 : 703,881.09 = 132,363.42 : x
  2. Step 2: Convert to fraction form
    469,295.70/703,881.09 = 132,363.42/x
  3. Step 3: Cross multiply
    469,295.70x = 703,881.09 × 132,363.42
  4. Step 4: Simplify right side
    469,295.70x = 93,168,108,345.73
  5. Step 5: Solve for x
    x = 93,168,108,345.73/469,295.70
  6. Step 6: Final answer
    x = 198,527.51

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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.