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Finding the Fourth Proportional to 376,081.65, 563,592.03 and 207,677.79

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Solution

The fourth proportional to 376,081.65, 563,592.03 and 207,677.79 is: 311,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,081.65 : 563,592.03 = 207,677.79 : x
  2. Step 2: Convert to fraction form
    376,081.65/563,592.03 = 207,677.79/x
  3. Step 3: Cross multiply
    376,081.65x = 563,592.03 × 207,677.79
  4. Step 4: Simplify right side
    376,081.65x = 117,045,546,473.22
  5. Step 5: Solve for x
    x = 117,045,546,473.22/376,081.65
  6. Step 6: Final answer
    x = 311,223.76

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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.