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Finding the Fourth Proportional to 469,291.32, 703,900.26 and 132,318.36

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Solution

The fourth proportional to 469,291.32, 703,900.26 and 132,318.36 is: 198,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,291.32 : 703,900.26 = 132,318.36 : x
  2. Step 2: Convert to fraction form
    469,291.32/703,900.26 = 132,318.36/x
  3. Step 3: Cross multiply
    469,291.32x = 703,900.26 × 132,318.36
  4. Step 4: Simplify right side
    469,291.32x = 93,138,928,006.77
  5. Step 5: Solve for x
    x = 93,138,928,006.77/469,291.32
  6. Step 6: Final answer
    x = 198,467.19

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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.