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Finding the Fourth Proportional to 376,453.98, 564,696.36 and 95,978.52

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Solution

The fourth proportional to 376,453.98, 564,696.36 and 95,978.52 is: 143,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,453.98 : 564,696.36 = 95,978.52 : x
  2. Step 2: Convert to fraction form
    376,453.98/564,696.36 = 95,978.52/x
  3. Step 3: Cross multiply
    376,453.98x = 564,696.36 × 95,978.52
  4. Step 4: Simplify right side
    376,453.98x = 54,198,720,882.19
  5. Step 5: Solve for x
    x = 54,198,720,882.19/376,453.98
  6. Step 6: Final answer
    x = 143,971.70

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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.