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Finding the Fourth Proportional to 339,044.22, 508,549.62 and 125,853.64

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Solution

The fourth proportional to 339,044.22, 508,549.62 and 125,853.64 is: 188,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,044.22 : 508,549.62 = 125,853.64 : x
  2. Step 2: Convert to fraction form
    339,044.22/508,549.62 = 125,853.64/x
  3. Step 3: Cross multiply
    339,044.22x = 508,549.62 × 125,853.64
  4. Step 4: Simplify right side
    339,044.22x = 64,002,819,998.19
  5. Step 5: Solve for x
    x = 64,002,819,998.19/339,044.22
  6. Step 6: Final answer
    x = 188,774.25

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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.