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Finding the Fourth Proportional to 361,763.46, 542,571.30 and 137,046.42

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Solution

The fourth proportional to 361,763.46, 542,571.30 and 137,046.42 is: 205,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,763.46 : 542,571.30 = 137,046.42 : x
  2. Step 2: Convert to fraction form
    361,763.46/542,571.30 = 137,046.42/x
  3. Step 3: Cross multiply
    361,763.46x = 542,571.30 × 137,046.42
  4. Step 4: Simplify right side
    361,763.46x = 74,357,454,259.75
  5. Step 5: Solve for x
    x = 74,357,454,259.75/361,763.46
  6. Step 6: Final answer
    x = 205,541.64

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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.