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Finding the Fourth Proportional to 416,065.80, 574,169.56 and 225,079.14

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Solution

The fourth proportional to 416,065.80, 574,169.56 and 225,079.14 is: 310,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,065.80 : 574,169.56 = 225,079.14 : x
  2. Step 2: Convert to fraction form
    416,065.80/574,169.56 = 225,079.14/x
  3. Step 3: Cross multiply
    416,065.80x = 574,169.56 × 225,079.14
  4. Step 4: Simplify right side
    416,065.80x = 129,233,590,216.28
  5. Step 5: Solve for x
    x = 129,233,590,216.28/416,065.80
  6. Step 6: Final answer
    x = 310,608.54

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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.