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Finding the Fourth Proportional to 360,060, 496,876.92 and 198,921.84

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Solution

The fourth proportional to 360,060, 496,876.92 and 198,921.84 is: 274,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,060 : 496,876.92 = 198,921.84 : x
  2. Step 2: Convert to fraction form
    360,060/496,876.92 = 198,921.84/x
  3. Step 3: Cross multiply
    360,060x = 496,876.92 × 198,921.84
  4. Step 4: Simplify right side
    360,060x = 98,839,671,179.93
  5. Step 5: Solve for x
    x = 98,839,671,179.93/360,060
  6. Step 6: Final answer
    x = 274,508.89

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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.