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Finding the Fourth Proportional to 324,158.77, 446,803.68 and 216,689.59

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Solution

The fourth proportional to 324,158.77, 446,803.68 and 216,689.59 is: 298,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,158.77 : 446,803.68 = 216,689.59 : x
  2. Step 2: Convert to fraction form
    324,158.77/446,803.68 = 216,689.59/x
  3. Step 3: Cross multiply
    324,158.77x = 446,803.68 × 216,689.59
  4. Step 4: Simplify right side
    324,158.77x = 96,817,706,229.69
  5. Step 5: Solve for x
    x = 96,817,706,229.69/324,158.77
  6. Step 6: Final answer
    x = 298,673.72

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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.