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Finding the Fourth Proportional to 360,990.43, 498,170.73 and 199,848.13

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Solution

The fourth proportional to 360,990.43, 498,170.73 and 199,848.13 is: 275,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,990.43 : 498,170.73 = 199,848.13 : x
  2. Step 2: Convert to fraction form
    360,990.43/498,170.73 = 199,848.13/x
  3. Step 3: Cross multiply
    360,990.43x = 498,170.73 × 199,848.13
  4. Step 4: Simplify right side
    360,990.43x = 99,558,488,811.23
  5. Step 5: Solve for x
    x = 99,558,488,811.23/360,990.43
  6. Step 6: Final answer
    x = 275,792.60

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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.