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Finding the Fourth Proportional to 414,991.64, 572,680.68 and 253,834.85

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Solution

The fourth proportional to 414,991.64, 572,680.68 and 253,834.85 is: 350,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,991.64 : 572,680.68 = 253,834.85 : x
  2. Step 2: Convert to fraction form
    414,991.64/572,680.68 = 253,834.85/x
  3. Step 3: Cross multiply
    414,991.64x = 572,680.68 × 253,834.85
  4. Step 4: Simplify right side
    414,991.64x = 145,366,313,708.58
  5. Step 5: Solve for x
    x = 145,366,313,708.58/414,991.64
  6. Step 6: Final answer
    x = 350,287.33

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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.