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Finding the Fourth Proportional to 469,876.65, 704,839.57 and 217,392.96

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Solution

The fourth proportional to 469,876.65, 704,839.57 and 217,392.96 is: 326,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,876.65 : 704,839.57 = 217,392.96 : x
  2. Step 2: Convert to fraction form
    469,876.65/704,839.57 = 217,392.96/x
  3. Step 3: Cross multiply
    469,876.65x = 704,839.57 × 217,392.96
  4. Step 4: Simplify right side
    469,876.65x = 153,227,163,769.93
  5. Step 5: Solve for x
    x = 153,227,163,769.93/469,876.65
  6. Step 6: Final answer
    x = 326,100.83

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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.