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Finding the Fourth Proportional to 532,908.70, 798,682.65 and 217,008.70

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Solution

The fourth proportional to 532,908.70, 798,682.65 and 217,008.70 is: 325,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,908.70 : 798,682.65 = 217,008.70 : x
  2. Step 2: Convert to fraction form
    532,908.70/798,682.65 = 217,008.70/x
  3. Step 3: Cross multiply
    532,908.70x = 798,682.65 × 217,008.70
  4. Step 4: Simplify right side
    532,908.70x = 173,321,083,589.06
  5. Step 5: Solve for x
    x = 173,321,083,589.06/532,908.70
  6. Step 6: Final answer
    x = 325,235.98

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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.