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Finding the Fourth Proportional to 372,049.50, 558,074.25 and 91,566.75

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Solution

The fourth proportional to 372,049.50, 558,074.25 and 91,566.75 is: 137,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,049.50 : 558,074.25 = 91,566.75 : x
  2. Step 2: Convert to fraction form
    372,049.50/558,074.25 = 91,566.75/x
  3. Step 3: Cross multiply
    372,049.50x = 558,074.25 × 91,566.75
  4. Step 4: Simplify right side
    372,049.50x = 51,101,045,331.19
  5. Step 5: Solve for x
    x = 51,101,045,331.19/372,049.50
  6. Step 6: Final answer
    x = 137,350.13

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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.