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Finding the Fourth Proportional to 360,373.72, 540,610.24 and 123,685.64

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Solution

The fourth proportional to 360,373.72, 540,610.24 and 123,685.64 is: 185,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,373.72 : 540,610.24 = 123,685.64 : x
  2. Step 2: Convert to fraction form
    360,373.72/540,610.24 = 123,685.64/x
  3. Step 3: Cross multiply
    360,373.72x = 540,610.24 × 123,685.64
  4. Step 4: Simplify right side
    360,373.72x = 66,865,723,524.95
  5. Step 5: Solve for x
    x = 66,865,723,524.95/360,373.72
  6. Step 6: Final answer
    x = 185,545.50

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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.