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Finding the Fourth Proportional to 359,393.49, 496,122.43 and 232,131.15

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Solution

The fourth proportional to 359,393.49, 496,122.43 and 232,131.15 is: 320,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,393.49 : 496,122.43 = 232,131.15 : x
  2. Step 2: Convert to fraction form
    359,393.49/496,122.43 = 232,131.15/x
  3. Step 3: Cross multiply
    359,393.49x = 496,122.43 × 232,131.15
  4. Step 4: Simplify right side
    359,393.49x = 115,165,472,367.32
  5. Step 5: Solve for x
    x = 115,165,472,367.32/359,393.49
  6. Step 6: Final answer
    x = 320,443.95

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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.