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Finding the Fourth Proportional to 416,617.80, 574,925.76 and 225,629.52

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Solution

The fourth proportional to 416,617.80, 574,925.76 and 225,629.52 is: 311,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,617.80 : 574,925.76 = 225,629.52 : x
  2. Step 2: Convert to fraction form
    416,617.80/574,925.76 = 225,629.52/x
  3. Step 3: Cross multiply
    416,617.80x = 574,925.76 × 225,629.52
  4. Step 4: Simplify right side
    416,617.80x = 129,720,223,264.44
  5. Step 5: Solve for x
    x = 129,720,223,264.44/416,617.80
  6. Step 6: Final answer
    x = 311,365.05

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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.