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Finding the Fourth Proportional to 324,315.66, 486,694.94 and 113,953.62

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Solution

The fourth proportional to 324,315.66, 486,694.94 and 113,953.62 is: 171,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,315.66 : 486,694.94 = 113,953.62 : x
  2. Step 2: Convert to fraction form
    324,315.66/486,694.94 = 113,953.62/x
  3. Step 3: Cross multiply
    324,315.66x = 486,694.94 × 113,953.62
  4. Step 4: Simplify right side
    324,315.66x = 55,460,650,248.68
  5. Step 5: Solve for x
    x = 55,460,650,248.68/324,315.66
  6. Step 6: Final answer
    x = 171,008.24

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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.