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Finding the Fourth Proportional to 449,617.73, 674,426.59 and 249,842.57

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Solution

The fourth proportional to 449,617.73, 674,426.59 and 249,842.57 is: 374,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,617.73 : 674,426.59 = 249,842.57 : x
  2. Step 2: Convert to fraction form
    449,617.73/674,426.59 = 249,842.57/x
  3. Step 3: Cross multiply
    449,617.73x = 674,426.59 × 249,842.57
  4. Step 4: Simplify right side
    449,617.73x = 168,500,468,525.20
  5. Step 5: Solve for x
    x = 168,500,468,525.20/449,617.73
  6. Step 6: Final answer
    x = 374,763.85

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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.