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Finding the Fourth Proportional to 329,056.88, 493,585.38 and 118,694.79

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Solution

The fourth proportional to 329,056.88, 493,585.38 and 118,694.79 is: 178,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,056.88 : 493,585.38 = 118,694.79 : x
  2. Step 2: Convert to fraction form
    329,056.88/493,585.38 = 118,694.79/x
  3. Step 3: Cross multiply
    329,056.88x = 493,585.38 × 118,694.79
  4. Step 4: Simplify right side
    329,056.88x = 58,586,013,026.17
  5. Step 5: Solve for x
    x = 58,586,013,026.17/329,056.88
  6. Step 6: Final answer
    x = 178,042.21

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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.