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Finding the Fourth Proportional to 329,392.92, 493,865.82 and 104,685.96

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Solution

The fourth proportional to 329,392.92, 493,865.82 and 104,685.96 is: 156,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,392.92 : 493,865.82 = 104,685.96 : x
  2. Step 2: Convert to fraction form
    329,392.92/493,865.82 = 104,685.96/x
  3. Step 3: Cross multiply
    329,392.92x = 493,865.82 × 104,685.96
  4. Step 4: Simplify right side
    329,392.92x = 51,700,817,477.89
  5. Step 5: Solve for x
    x = 51,700,817,477.89/329,392.92
  6. Step 6: Final answer
    x = 156,957.89

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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.