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Finding the Fourth Proportional to 260,924.28, 360,065.40 and 147,747.30

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Solution

The fourth proportional to 260,924.28, 360,065.40 and 147,747.30 is: 203,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,924.28 : 360,065.40 = 147,747.30 : x
  2. Step 2: Convert to fraction form
    260,924.28/360,065.40 = 147,747.30/x
  3. Step 3: Cross multiply
    260,924.28x = 360,065.40 × 147,747.30
  4. Step 4: Simplify right side
    260,924.28x = 53,198,690,673.42
  5. Step 5: Solve for x
    x = 53,198,690,673.42/260,924.28
  6. Step 6: Final answer
    x = 203,885.55

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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.