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Finding the Fourth Proportional to 360,489.93, 540,771.54 and 123,801.85

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Solution

The fourth proportional to 360,489.93, 540,771.54 and 123,801.85 is: 185,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,489.93 : 540,771.54 = 123,801.85 : x
  2. Step 2: Convert to fraction form
    360,489.93/540,771.54 = 123,801.85/x
  3. Step 3: Cross multiply
    360,489.93x = 540,771.54 × 123,801.85
  4. Step 4: Simplify right side
    360,489.93x = 66,948,517,079.35
  5. Step 5: Solve for x
    x = 66,948,517,079.35/360,489.93
  6. Step 6: Final answer
    x = 185,715.36

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1.5x scale

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.