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Finding the Fourth Proportional to 453,451.28, 625,816.68 and 259,928.24

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Solution

The fourth proportional to 453,451.28, 625,816.68 and 259,928.24 is: 358,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,451.28 : 625,816.68 = 259,928.24 : x
  2. Step 2: Convert to fraction form
    453,451.28/625,816.68 = 259,928.24/x
  3. Step 3: Cross multiply
    453,451.28x = 625,816.68 × 259,928.24
  4. Step 4: Simplify right side
    453,451.28x = 162,667,428,195.04
  5. Step 5: Solve for x
    x = 162,667,428,195.04/453,451.28
  6. Step 6: Final answer
    x = 358,731.88

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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.