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Finding the Fourth Proportional to 348,987.69, 481,902.39 and 337,702.77

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Solution

The fourth proportional to 348,987.69, 481,902.39 and 337,702.77 is: 466,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,987.69 : 481,902.39 = 337,702.77 : x
  2. Step 2: Convert to fraction form
    348,987.69/481,902.39 = 337,702.77/x
  3. Step 3: Cross multiply
    348,987.69x = 481,902.39 × 337,702.77
  4. Step 4: Simplify right side
    348,987.69x = 162,739,771,972.62
  5. Step 5: Solve for x
    x = 162,739,771,972.62/348,987.69
  6. Step 6: Final answer
    x = 466,319.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.