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Finding the Fourth Proportional to 574,412.85, 861,651.68 and 175,066.65

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Solution

The fourth proportional to 574,412.85, 861,651.68 and 175,066.65 is: 262,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,412.85 : 861,651.68 = 175,066.65 : x
  2. Step 2: Convert to fraction form
    574,412.85/861,651.68 = 175,066.65/x
  3. Step 3: Cross multiply
    574,412.85x = 861,651.68 × 175,066.65
  4. Step 4: Simplify right side
    574,412.85x = 150,846,472,209.14
  5. Step 5: Solve for x
    x = 150,846,472,209.14/574,412.85
  6. Step 6: Final answer
    x = 262,609.85

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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.