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Finding the Fourth Proportional to 324,711.60, 486,411.30 and 184,306.20

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Solution

The fourth proportional to 324,711.60, 486,411.30 and 184,306.20 is: 276,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,711.60 : 486,411.30 = 184,306.20 : x
  2. Step 2: Convert to fraction form
    324,711.60/486,411.30 = 184,306.20/x
  3. Step 3: Cross multiply
    324,711.60x = 486,411.30 × 184,306.20
  4. Step 4: Simplify right side
    324,711.60x = 89,648,618,340.06
  5. Step 5: Solve for x
    x = 89,648,618,340.06/324,711.60
  6. Step 6: Final answer
    x = 276,086.90

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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.