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Finding the Fourth Proportional to 375,345.44, 517,974.33 and 203,260.66

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Solution

The fourth proportional to 375,345.44, 517,974.33 and 203,260.66 is: 280,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,345.44 : 517,974.33 = 203,260.66 : x
  2. Step 2: Convert to fraction form
    375,345.44/517,974.33 = 203,260.66/x
  3. Step 3: Cross multiply
    375,345.44x = 517,974.33 × 203,260.66
  4. Step 4: Simplify right side
    375,345.44x = 105,283,803,162.56
  5. Step 5: Solve for x
    x = 105,283,803,162.56/375,345.44
  6. Step 6: Final answer
    x = 280,498.42

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