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Finding the Fourth Proportional to 574,247.60, 861,450.20 and 195,066.55

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Solution

The fourth proportional to 574,247.60, 861,450.20 and 195,066.55 is: 292,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,247.60 : 861,450.20 = 195,066.55 : x
  2. Step 2: Convert to fraction form
    574,247.60/861,450.20 = 195,066.55/x
  3. Step 3: Cross multiply
    574,247.60x = 861,450.20 × 195,066.55
  4. Step 4: Simplify right side
    574,247.60x = 168,040,118,510.81
  5. Step 5: Solve for x
    x = 168,040,118,510.81/574,247.60
  6. Step 6: Final answer
    x = 292,626.59

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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.