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Finding the Fourth Proportional to 568,507.28, 784,450.66 and 326,743.17

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Solution

The fourth proportional to 568,507.28, 784,450.66 and 326,743.17 is: 450,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,507.28 : 784,450.66 = 326,743.17 : x
  2. Step 2: Convert to fraction form
    568,507.28/784,450.66 = 326,743.17/x
  3. Step 3: Cross multiply
    568,507.28x = 784,450.66 × 326,743.17
  4. Step 4: Simplify right side
    568,507.28x = 256,313,895,356.99
  5. Step 5: Solve for x
    x = 256,313,895,356.99/568,507.28
  6. Step 6: Final answer
    x = 450,854.20

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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.