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Finding the Fourth Proportional to 416,919.03, 575,348.24 and 225,932.42

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Solution

The fourth proportional to 416,919.03, 575,348.24 and 225,932.42 is: 311,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,919.03 : 575,348.24 = 225,932.42 : x
  2. Step 2: Convert to fraction form
    416,919.03/575,348.24 = 225,932.42/x
  3. Step 3: Cross multiply
    416,919.03x = 575,348.24 × 225,932.42
  4. Step 4: Simplify right side
    416,919.03x = 129,989,816,199.54
  5. Step 5: Solve for x
    x = 129,989,816,199.54/416,919.03
  6. Step 6: Final answer
    x = 311,786.72

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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.