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Finding the Fourth Proportional to 324,890.70, 487,446.69 and 175,145.46

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Solution

The fourth proportional to 324,890.70, 487,446.69 and 175,145.46 is: 262,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,890.70 : 487,446.69 = 175,145.46 : x
  2. Step 2: Convert to fraction form
    324,890.70/487,446.69 = 175,145.46/x
  3. Step 3: Cross multiply
    324,890.70x = 487,446.69 × 175,145.46
  4. Step 4: Simplify right side
    324,890.70x = 85,374,074,745.53
  5. Step 5: Solve for x
    x = 85,374,074,745.53/324,890.70
  6. Step 6: Final answer
    x = 262,777.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.