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Finding the Fourth Proportional to 416,744.55, 575,106.06 and 225,757.71

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Solution

The fourth proportional to 416,744.55, 575,106.06 and 225,757.71 is: 311,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,744.55 : 575,106.06 = 225,757.71 : x
  2. Step 2: Convert to fraction form
    416,744.55/575,106.06 = 225,757.71/x
  3. Step 3: Cross multiply
    416,744.55x = 575,106.06 × 225,757.71
  4. Step 4: Simplify right side
    416,744.55x = 129,834,627,112.72
  5. Step 5: Solve for x
    x = 129,834,627,112.72/416,744.55
  6. Step 6: Final answer
    x = 311,544.87

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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.