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Finding the Fourth Proportional to 416,754.92, 575,116.58 and 225,763.56

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Solution

The fourth proportional to 416,754.92, 575,116.58 and 225,763.56 is: 311,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,754.92 : 575,116.58 = 225,763.56 : x
  2. Step 2: Convert to fraction form
    416,754.92/575,116.58 = 225,763.56/x
  3. Step 3: Cross multiply
    416,754.92x = 575,116.58 × 225,763.56
  4. Step 4: Simplify right side
    416,754.92x = 129,840,366,515.83
  5. Step 5: Solve for x
    x = 129,840,366,515.83/416,754.92
  6. Step 6: Final answer
    x = 311,550.89

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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.