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Finding the Fourth Proportional to 359,732.24, 496,490.52 and 343,788.56

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Solution

The fourth proportional to 359,732.24, 496,490.52 and 343,788.56 is: 474,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,732.24 : 496,490.52 = 343,788.56 : x
  2. Step 2: Convert to fraction form
    359,732.24/496,490.52 = 343,788.56/x
  3. Step 3: Cross multiply
    359,732.24x = 496,490.52 × 343,788.56
  4. Step 4: Simplify right side
    359,732.24x = 170,687,760,924.45
  5. Step 5: Solve for x
    x = 170,687,760,924.45/359,732.24
  6. Step 6: Final answer
    x = 474,485.58

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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.