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Finding the Fourth Proportional to 416,300.79, 574,496.79 and 225,314.13

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Solution

The fourth proportional to 416,300.79, 574,496.79 and 225,314.13 is: 310,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,300.79 : 574,496.79 = 225,314.13 : x
  2. Step 2: Convert to fraction form
    416,300.79/574,496.79 = 225,314.13/x
  3. Step 3: Cross multiply
    416,300.79x = 574,496.79 × 225,314.13
  4. Step 4: Simplify right side
    416,300.79x = 129,442,244,426.64
  5. Step 5: Solve for x
    x = 129,442,244,426.64/416,300.79
  6. Step 6: Final answer
    x = 310,934.42

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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.