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Finding the Fourth Proportional to 604,066.85, 905,882.30 and 177,488.57

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Solution

The fourth proportional to 604,066.85, 905,882.30 and 177,488.57 is: 266,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,066.85 : 905,882.30 = 177,488.57 : x
  2. Step 2: Convert to fraction form
    604,066.85/905,882.30 = 177,488.57/x
  3. Step 3: Cross multiply
    604,066.85x = 905,882.30 × 177,488.57
  4. Step 4: Simplify right side
    604,066.85x = 160,783,753,276.07
  5. Step 5: Solve for x
    x = 160,783,753,276.07/604,066.85
  6. Step 6: Final answer
    x = 266,168.81

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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.