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Finding the Fourth Proportional to 360,111.79, 496,940.85 and 198,963.39

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Solution

The fourth proportional to 360,111.79, 496,940.85 and 198,963.39 is: 274,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,111.79 : 496,940.85 = 198,963.39 : x
  2. Step 2: Convert to fraction form
    360,111.79/496,940.85 = 198,963.39/x
  3. Step 3: Cross multiply
    360,111.79x = 496,940.85 × 198,963.39
  4. Step 4: Simplify right side
    360,111.79x = 98,873,036,145.48
  5. Step 5: Solve for x
    x = 98,873,036,145.48/360,111.79
  6. Step 6: Final answer
    x = 274,562.06

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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.