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Finding the Fourth Proportional to 416,069.43, 574,173.86 and 225,081.15

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Solution

The fourth proportional to 416,069.43, 574,173.86 and 225,081.15 is: 310,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,069.43 : 574,173.86 = 225,081.15 : x
  2. Step 2: Convert to fraction form
    416,069.43/574,173.86 = 225,081.15/x
  3. Step 3: Cross multiply
    416,069.43x = 574,173.86 × 225,081.15
  4. Step 4: Simplify right side
    416,069.43x = 129,235,712,708.74
  5. Step 5: Solve for x
    x = 129,235,712,708.74/416,069.43
  6. Step 6: Final answer
    x = 310,610.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.