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Finding the Fourth Proportional to 359,581.21, 496,233.98 and 196,246.63

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Solution

The fourth proportional to 359,581.21, 496,233.98 and 196,246.63 is: 270,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,581.21 : 496,233.98 = 196,246.63 : x
  2. Step 2: Convert to fraction form
    359,581.21/496,233.98 = 196,246.63/x
  3. Step 3: Cross multiply
    359,581.21x = 496,233.98 × 196,246.63
  4. Step 4: Simplify right side
    359,581.21x = 97,384,246,641.47
  5. Step 5: Solve for x
    x = 97,384,246,641.47/359,581.21
  6. Step 6: Final answer
    x = 270,826.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.