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Finding the Fourth Proportional to 493,374.89, 680,859.35 and 267,020.33

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Solution

The fourth proportional to 493,374.89, 680,859.35 and 267,020.33 is: 368,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,374.89 : 680,859.35 = 267,020.33 : x
  2. Step 2: Convert to fraction form
    493,374.89/680,859.35 = 267,020.33/x
  3. Step 3: Cross multiply
    493,374.89x = 680,859.35 × 267,020.33
  4. Step 4: Simplify right side
    493,374.89x = 181,803,288,320.59
  5. Step 5: Solve for x
    x = 181,803,288,320.59/493,374.89
  6. Step 6: Final answer
    x = 368,489.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.