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Finding the Fourth Proportional to 275,790.60, 413,685.90 and 249,546.60

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Solution

The fourth proportional to 275,790.60, 413,685.90 and 249,546.60 is: 374,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,790.60 : 413,685.90 = 249,546.60 : x
  2. Step 2: Convert to fraction form
    275,790.60/413,685.90 = 249,546.60/x
  3. Step 3: Cross multiply
    275,790.60x = 413,685.90 × 249,546.60
  4. Step 4: Simplify right side
    275,790.60x = 103,233,909,812.94
  5. Step 5: Solve for x
    x = 103,233,909,812.94/275,790.60
  6. Step 6: Final answer
    x = 374,319.90

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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.