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Finding the Fourth Proportional to 574,080.48, 861,086.16 and 254,138.67

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Solution

The fourth proportional to 574,080.48, 861,086.16 and 254,138.67 is: 381,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,080.48 : 861,086.16 = 254,138.67 : x
  2. Step 2: Convert to fraction form
    574,080.48/861,086.16 = 254,138.67/x
  3. Step 3: Cross multiply
    574,080.48x = 861,086.16 × 254,138.67
  4. Step 4: Simplify right side
    574,080.48x = 218,835,291,457.81
  5. Step 5: Solve for x
    x = 218,835,291,457.81/574,080.48
  6. Step 6: Final answer
    x = 381,192.71

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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.