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Finding the Fourth Proportional to 259,990.46, 358,789.24 and 152,562.32

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Solution

The fourth proportional to 259,990.46, 358,789.24 and 152,562.32 is: 210,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,990.46 : 358,789.24 = 152,562.32 : x
  2. Step 2: Convert to fraction form
    259,990.46/358,789.24 = 152,562.32/x
  3. Step 3: Cross multiply
    259,990.46x = 358,789.24 × 152,562.32
  4. Step 4: Simplify right side
    259,990.46x = 54,737,718,845.44
  5. Step 5: Solve for x
    x = 54,737,718,845.44/259,990.46
  6. Step 6: Final answer
    x = 210,537.41

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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.