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Finding the Fourth Proportional to 376,622.86, 564,971.50 and 123,800.80

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Solution

The fourth proportional to 376,622.86, 564,971.50 and 123,800.80 is: 185,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,622.86 : 564,971.50 = 123,800.80 : x
  2. Step 2: Convert to fraction form
    376,622.86/564,971.50 = 123,800.80/x
  3. Step 3: Cross multiply
    376,622.86x = 564,971.50 × 123,800.80
  4. Step 4: Simplify right side
    376,622.86x = 69,943,923,677.20
  5. Step 5: Solve for x
    x = 69,943,923,677.20/376,622.86
  6. Step 6: Final answer
    x = 185,713.43

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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.