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Finding the Fourth Proportional to 356,532.54, 534,787.83 and 146,011.92

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Solution

The fourth proportional to 356,532.54, 534,787.83 and 146,011.92 is: 219,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,532.54 : 534,787.83 = 146,011.92 : x
  2. Step 2: Convert to fraction form
    356,532.54/534,787.83 = 146,011.92/x
  3. Step 3: Cross multiply
    356,532.54x = 534,787.83 × 146,011.92
  4. Step 4: Simplify right side
    356,532.54x = 78,085,397,850.93
  5. Step 5: Solve for x
    x = 78,085,397,850.93/356,532.54
  6. Step 6: Final answer
    x = 219,013.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.