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Finding the Fourth Proportional to 576,250.60, 864,469.65 and 216,449.46

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Solution

The fourth proportional to 576,250.60, 864,469.65 and 216,449.46 is: 324,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,250.60 : 864,469.65 = 216,449.46 : x
  2. Step 2: Convert to fraction form
    576,250.60/864,469.65 = 216,449.46/x
  3. Step 3: Cross multiply
    576,250.60x = 864,469.65 × 216,449.46
  4. Step 4: Simplify right side
    576,250.60x = 187,113,988,117.20
  5. Step 5: Solve for x
    x = 187,113,988,117.20/576,250.60
  6. Step 6: Final answer
    x = 324,709.40

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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.