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Finding the Fourth Proportional to 225,670.87, 336,488.75 and 219,470.73

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Solution

The fourth proportional to 225,670.87, 336,488.75 and 219,470.73 is: 327,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,670.87 : 336,488.75 = 219,470.73 : x
  2. Step 2: Convert to fraction form
    225,670.87/336,488.75 = 219,470.73/x
  3. Step 3: Cross multiply
    225,670.87x = 336,488.75 × 219,470.73
  4. Step 4: Simplify right side
    225,670.87x = 73,849,429,916.84
  5. Step 5: Solve for x
    x = 73,849,429,916.84/225,670.87
  6. Step 6: Final answer
    x = 327,243.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.