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Finding the Fourth Proportional to 349,122.76, 481,789.72 and 198,219.76

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Solution

The fourth proportional to 349,122.76, 481,789.72 and 198,219.76 is: 273,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,122.76 : 481,789.72 = 198,219.76 : x
  2. Step 2: Convert to fraction form
    349,122.76/481,789.72 = 198,219.76/x
  3. Step 3: Cross multiply
    349,122.76x = 481,789.72 × 198,219.76
  4. Step 4: Simplify right side
    349,122.76x = 95,500,241,712.17
  5. Step 5: Solve for x
    x = 95,500,241,712.17/349,122.76
  6. Step 6: Final answer
    x = 273,543.44

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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.