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Finding the Fourth Proportional to 337,112.40, 505,328.40 and 168,373.20

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Solution

The fourth proportional to 337,112.40, 505,328.40 and 168,373.20 is: 252,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,112.40 : 505,328.40 = 168,373.20 : x
  2. Step 2: Convert to fraction form
    337,112.40/505,328.40 = 168,373.20/x
  3. Step 3: Cross multiply
    337,112.40x = 505,328.40 × 168,373.20
  4. Step 4: Simplify right side
    337,112.40x = 85,083,759,758.88
  5. Step 5: Solve for x
    x = 85,083,759,758.88/337,112.40
  6. Step 6: Final answer
    x = 252,389.88

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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.