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Finding the Fourth Proportional to 376,071.12, 563,576.31 and 207,667.26

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Solution

The fourth proportional to 376,071.12, 563,576.31 and 207,667.26 is: 311,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,071.12 : 563,576.31 = 207,667.26 : x
  2. Step 2: Convert to fraction form
    376,071.12/563,576.31 = 207,667.26/x
  3. Step 3: Cross multiply
    376,071.12x = 563,576.31 × 207,667.26
  4. Step 4: Simplify right side
    376,071.12x = 117,036,348,098.61
  5. Step 5: Solve for x
    x = 117,036,348,098.61/376,071.12
  6. Step 6: Final answer
    x = 311,208.02

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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.