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Finding the Fourth Proportional to 493,301.89, 680,757.21 and 266,947.39

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Solution

The fourth proportional to 493,301.89, 680,757.21 and 266,947.39 is: 368,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,301.89 : 680,757.21 = 266,947.39 : x
  2. Step 2: Convert to fraction form
    493,301.89/680,757.21 = 266,947.39/x
  3. Step 3: Cross multiply
    493,301.89x = 680,757.21 × 266,947.39
  4. Step 4: Simplify right side
    493,301.89x = 181,726,360,433.18
  5. Step 5: Solve for x
    x = 181,726,360,433.18/493,301.89
  6. Step 6: Final answer
    x = 368,387.72

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1.5x scale

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.