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Finding the Fourth Proportional to 337,110.40, 505,325.40 and 168,371.20

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Solution

The fourth proportional to 337,110.40, 505,325.40 and 168,371.20 is: 252,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,110.40 : 505,325.40 = 168,371.20 : x
  2. Step 2: Convert to fraction form
    337,110.40/505,325.40 = 168,371.20/x
  3. Step 3: Cross multiply
    337,110.40x = 505,325.40 × 168,371.20
  4. Step 4: Simplify right side
    337,110.40x = 85,082,243,988.48
  5. Step 5: Solve for x
    x = 85,082,243,988.48/337,110.40
  6. Step 6: Final answer
    x = 252,386.89

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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.