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Finding the Fourth Proportional to 337,433.92, 505,985.64 and 112,717.24

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Solution

The fourth proportional to 337,433.92, 505,985.64 and 112,717.24 is: 169,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,433.92 : 505,985.64 = 112,717.24 : x
  2. Step 2: Convert to fraction form
    337,433.92/505,985.64 = 112,717.24/x
  3. Step 3: Cross multiply
    337,433.92x = 505,985.64 × 112,717.24
  4. Step 4: Simplify right side
    337,433.92x = 57,033,304,820.43
  5. Step 5: Solve for x
    x = 57,033,304,820.43/337,433.92
  6. Step 6: Final answer
    x = 169,020.66

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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.