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Finding the Fourth Proportional to 268,505.68, 370,539.20 and 147,654.80

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Solution

The fourth proportional to 268,505.68, 370,539.20 and 147,654.80 is: 203,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,505.68 : 370,539.20 = 147,654.80 : x
  2. Step 2: Convert to fraction form
    268,505.68/370,539.20 = 147,654.80/x
  3. Step 3: Cross multiply
    268,505.68x = 370,539.20 × 147,654.80
  4. Step 4: Simplify right side
    268,505.68x = 54,711,891,468.16
  5. Step 5: Solve for x
    x = 54,711,891,468.16/268,505.68
  6. Step 6: Final answer
    x = 203,764.37

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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.