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Finding the Fourth Proportional to 324,315.57, 486,473.32 and 164,366.59

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Solution

The fourth proportional to 324,315.57, 486,473.32 and 164,366.59 is: 246,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,315.57 : 486,473.32 = 164,366.59 : x
  2. Step 2: Convert to fraction form
    324,315.57/486,473.32 = 164,366.59/x
  3. Step 3: Cross multiply
    324,315.57x = 486,473.32 × 164,366.59
  4. Step 4: Simplify right side
    324,315.57x = 79,959,960,734.38
  5. Step 5: Solve for x
    x = 79,959,960,734.38/324,315.57
  6. Step 6: Final answer
    x = 246,549.87

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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.