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Finding the Fourth Proportional to 360,066, 496,885.20 and 198,927.84

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Solution

The fourth proportional to 360,066, 496,885.20 and 198,927.84 is: 274,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,066 : 496,885.20 = 198,927.84 : x
  2. Step 2: Convert to fraction form
    360,066/496,885.20 = 198,927.84/x
  3. Step 3: Cross multiply
    360,066x = 496,885.20 × 198,927.84
  4. Step 4: Simplify right side
    360,066x = 98,844,299,563.97
  5. Step 5: Solve for x
    x = 98,844,299,563.97/360,066
  6. Step 6: Final answer
    x = 274,517.17

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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.