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Finding the Fourth Proportional to 416,626.64, 574,944.23 and 225,640.79

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Solution

The fourth proportional to 416,626.64, 574,944.23 and 225,640.79 is: 311,384.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,626.64 : 574,944.23 = 225,640.79 : x
  2. Step 2: Convert to fraction form
    416,626.64/574,944.23 = 225,640.79/x
  3. Step 3: Cross multiply
    416,626.64x = 574,944.23 × 225,640.79
  4. Step 4: Simplify right side
    416,626.64x = 129,730,868,839.33
  5. Step 5: Solve for x
    x = 129,730,868,839.33/416,626.64
  6. Step 6: Final answer
    x = 311,384.00

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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.