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Finding the Fourth Proportional to 376,071.30, 563,576.55 and 207,667.44

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Solution

The fourth proportional to 376,071.30, 563,576.55 and 207,667.44 is: 311,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,071.30 : 563,576.55 = 207,667.44 : x
  2. Step 2: Convert to fraction form
    376,071.30/563,576.55 = 207,667.44/x
  3. Step 3: Cross multiply
    376,071.30x = 563,576.55 × 207,667.44
  4. Step 4: Simplify right side
    376,071.30x = 117,036,499,382.53
  5. Step 5: Solve for x
    x = 117,036,499,382.53/376,071.30
  6. Step 6: Final answer
    x = 311,208.27

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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.