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Finding the Fourth Proportional to 360,882.73, 497,984.42 and 215,659.69

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Solution

The fourth proportional to 360,882.73, 497,984.42 and 215,659.69 is: 297,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,882.73 : 497,984.42 = 215,659.69 : x
  2. Step 2: Convert to fraction form
    360,882.73/497,984.42 = 215,659.69/x
  3. Step 3: Cross multiply
    360,882.73x = 497,984.42 × 215,659.69
  4. Step 4: Simplify right side
    360,882.73x = 107,395,163,152.11
  5. Step 5: Solve for x
    x = 107,395,163,152.11/360,882.73
  6. Step 6: Final answer
    x = 297,590.20

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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.