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Finding the Fourth Proportional to 376,038.78, 564,230.42 and 162,871.89

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Solution

The fourth proportional to 376,038.78, 564,230.42 and 162,871.89 is: 244,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,038.78 : 564,230.42 = 162,871.89 : x
  2. Step 2: Convert to fraction form
    376,038.78/564,230.42 = 162,871.89/x
  3. Step 3: Cross multiply
    376,038.78x = 564,230.42 × 162,871.89
  4. Step 4: Simplify right side
    376,038.78x = 91,897,274,900.89
  5. Step 5: Solve for x
    x = 91,897,274,900.89/376,038.78
  6. Step 6: Final answer
    x = 244,382.44

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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.