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Finding the Fourth Proportional to 260,775.72, 359,871.66 and 147,620.34

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Solution

The fourth proportional to 260,775.72, 359,871.66 and 147,620.34 is: 203,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,775.72 : 359,871.66 = 147,620.34 : x
  2. Step 2: Convert to fraction form
    260,775.72/359,871.66 = 147,620.34/x
  3. Step 3: Cross multiply
    260,775.72x = 359,871.66 × 147,620.34
  4. Step 4: Simplify right side
    260,775.72x = 53,124,376,805.56
  5. Step 5: Solve for x
    x = 53,124,376,805.56/260,775.72
  6. Step 6: Final answer
    x = 203,716.73

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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.