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Finding the Fourth Proportional to 382,908.13, 574,624.65 and 133,590.13

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Solution

The fourth proportional to 382,908.13, 574,624.65 and 133,590.13 is: 200,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,908.13 : 574,624.65 = 133,590.13 : x
  2. Step 2: Convert to fraction form
    382,908.13/574,624.65 = 133,590.13/x
  3. Step 3: Cross multiply
    382,908.13x = 574,624.65 × 133,590.13
  4. Step 4: Simplify right side
    382,908.13x = 76,764,181,694.70
  5. Step 5: Solve for x
    x = 76,764,181,694.70/382,908.13
  6. Step 6: Final answer
    x = 200,476.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.