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Finding the Fourth Proportional to 504,390.24, 756,766.08 and 216,080.96

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Solution

The fourth proportional to 504,390.24, 756,766.08 and 216,080.96 is: 324,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,390.24 : 756,766.08 = 216,080.96 : x
  2. Step 2: Convert to fraction form
    504,390.24/756,766.08 = 216,080.96/x
  3. Step 3: Cross multiply
    504,390.24x = 756,766.08 × 216,080.96
  4. Step 4: Simplify right side
    504,390.24x = 163,522,741,061.84
  5. Step 5: Solve for x
    x = 163,522,741,061.84/504,390.24
  6. Step 6: Final answer
    x = 324,198.86

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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.