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Finding the Fourth Proportional to 416,426.64, 574,668.96 and 225,440.04

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Solution

The fourth proportional to 416,426.64, 574,668.96 and 225,440.04 is: 311,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,426.64 : 574,668.96 = 225,440.04 : x
  2. Step 2: Convert to fraction form
    416,426.64/574,668.96 = 225,440.04/x
  3. Step 3: Cross multiply
    416,426.64x = 574,668.96 × 225,440.04
  4. Step 4: Simplify right side
    416,426.64x = 129,553,393,329.16
  5. Step 5: Solve for x
    x = 129,553,393,329.16/416,426.64
  6. Step 6: Final answer
    x = 311,107.36

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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.