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Finding the Fourth Proportional to 339,265.20, 474,349.20 and 339,265.20

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Solution

The fourth proportional to 339,265.20, 474,349.20 and 339,265.20 is: 474,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,265.20 : 474,349.20 = 339,265.20 : x
  2. Step 2: Convert to fraction form
    339,265.20/474,349.20 = 339,265.20/x
  3. Step 3: Cross multiply
    339,265.20x = 474,349.20 × 339,265.20
  4. Step 4: Simplify right side
    339,265.20x = 160,930,176,207.84
  5. Step 5: Solve for x
    x = 160,930,176,207.84/339,265.20
  6. Step 6: Final answer
    x = 474,349.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.