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Finding the Fourth Proportional to 543,874.88, 750,654.66 and 347,515.76

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Solution

The fourth proportional to 543,874.88, 750,654.66 and 347,515.76 is: 479,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,874.88 : 750,654.66 = 347,515.76 : x
  2. Step 2: Convert to fraction form
    543,874.88/750,654.66 = 347,515.76/x
  3. Step 3: Cross multiply
    543,874.88x = 750,654.66 × 347,515.76
  4. Step 4: Simplify right side
    543,874.88x = 260,864,324,667.44
  5. Step 5: Solve for x
    x = 260,864,324,667.44/543,874.88
  6. Step 6: Final answer
    x = 479,640.33

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1.5x scale

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.