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Finding the Fourth Proportional to 449,565.71, 674,257.03 and 165,158.51

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Solution

The fourth proportional to 449,565.71, 674,257.03 and 165,158.51 is: 247,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,565.71 : 674,257.03 = 165,158.51 : x
  2. Step 2: Convert to fraction form
    449,565.71/674,257.03 = 165,158.51/x
  3. Step 3: Cross multiply
    449,565.71x = 674,257.03 × 165,158.51
  4. Step 4: Simplify right side
    449,565.71x = 111,359,282,647.64
  5. Step 5: Solve for x
    x = 111,359,282,647.64/449,565.71
  6. Step 6: Final answer
    x = 247,704.13

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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.