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Finding the Fourth Proportional to 220,651.04, 304,591.12 and 186,834.84

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Solution

The fourth proportional to 220,651.04, 304,591.12 and 186,834.84 is: 257,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,651.04 : 304,591.12 = 186,834.84 : x
  2. Step 2: Convert to fraction form
    220,651.04/304,591.12 = 186,834.84/x
  3. Step 3: Cross multiply
    220,651.04x = 304,591.12 × 186,834.84
  4. Step 4: Simplify right side
    220,651.04x = 56,908,233,170.62
  5. Step 5: Solve for x
    x = 56,908,233,170.62/220,651.04
  6. Step 6: Final answer
    x = 257,910.56

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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.