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Finding the Fourth Proportional to 361,358.49, 542,534.27 and 183,984.69

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Solution

The fourth proportional to 361,358.49, 542,534.27 and 183,984.69 is: 276,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,358.49 : 542,534.27 = 183,984.69 : x
  2. Step 2: Convert to fraction form
    361,358.49/542,534.27 = 183,984.69/x
  3. Step 3: Cross multiply
    361,358.49x = 542,534.27 × 183,984.69
  4. Step 4: Simplify right side
    361,358.49x = 99,817,998,560.40
  5. Step 5: Solve for x
    x = 99,817,998,560.40/361,358.49
  6. Step 6: Final answer
    x = 276,229.84

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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.