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Finding the Fourth Proportional to 225,671, 336,488.94 and 219,470.86

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Solution

The fourth proportional to 225,671, 336,488.94 and 219,470.86 is: 327,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,671 : 336,488.94 = 219,470.86 : x
  2. Step 2: Convert to fraction form
    225,671/336,488.94 = 219,470.86/x
  3. Step 3: Cross multiply
    225,671x = 336,488.94 × 219,470.86
  4. Step 4: Simplify right side
    225,671x = 73,849,514,262.49
  5. Step 5: Solve for x
    x = 73,849,514,262.49/225,671
  6. Step 6: Final answer
    x = 327,244.15

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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.