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Finding the Fourth Proportional to 416,972.26, 575,406.26 and 225,981.56

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Solution

The fourth proportional to 416,972.26, 575,406.26 and 225,981.56 is: 311,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,972.26 : 575,406.26 = 225,981.56 : x
  2. Step 2: Convert to fraction form
    416,972.26/575,406.26 = 225,981.56/x
  3. Step 3: Cross multiply
    416,972.26x = 575,406.26 × 225,981.56
  4. Step 4: Simplify right side
    416,972.26x = 130,031,204,268.57
  5. Step 5: Solve for x
    x = 130,031,204,268.57/416,972.26
  6. Step 6: Final answer
    x = 311,846.17

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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.