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Finding the Fourth Proportional to 361,719.64, 542,028.66 and 183,960.28

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Solution

The fourth proportional to 361,719.64, 542,028.66 and 183,960.28 is: 275,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,719.64 : 542,028.66 = 183,960.28 : x
  2. Step 2: Convert to fraction form
    361,719.64/542,028.66 = 183,960.28/x
  3. Step 3: Cross multiply
    361,719.64x = 542,028.66 × 183,960.28
  4. Step 4: Simplify right side
    361,719.64x = 99,711,744,061.62
  5. Step 5: Solve for x
    x = 99,711,744,061.62/361,719.64
  6. Step 6: Final answer
    x = 275,660.30

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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.