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Finding the Fourth Proportional to 540,504.48, 745,891.26 and 298,793.18

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Solution

The fourth proportional to 540,504.48, 745,891.26 and 298,793.18 is: 412,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,504.48 : 745,891.26 = 298,793.18 : x
  2. Step 2: Convert to fraction form
    540,504.48/745,891.26 = 298,793.18/x
  3. Step 3: Cross multiply
    540,504.48x = 745,891.26 × 298,793.18
  4. Step 4: Simplify right side
    540,504.48x = 222,867,221,509.61
  5. Step 5: Solve for x
    x = 222,867,221,509.61/540,504.48
  6. Step 6: Final answer
    x = 412,331.87

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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.