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Finding the Fourth Proportional to 339,040.28, 508,543.72 and 125,849.70

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Solution

The fourth proportional to 339,040.28, 508,543.72 and 125,849.70 is: 188,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,040.28 : 508,543.72 = 125,849.70 : x
  2. Step 2: Convert to fraction form
    339,040.28/508,543.72 = 125,849.70/x
  3. Step 3: Cross multiply
    339,040.28x = 508,543.72 × 125,849.70
  4. Step 4: Simplify right side
    339,040.28x = 64,000,074,284.26
  5. Step 5: Solve for x
    x = 64,000,074,284.26/339,040.28
  6. Step 6: Final answer
    x = 188,768.35

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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.