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Finding the Fourth Proportional to 329,886.66, 494,878.59 and 119,475.39

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Solution

The fourth proportional to 329,886.66, 494,878.59 and 119,475.39 is: 179,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,886.66 : 494,878.59 = 119,475.39 : x
  2. Step 2: Convert to fraction form
    329,886.66/494,878.59 = 119,475.39/x
  3. Step 3: Cross multiply
    329,886.66x = 494,878.59 × 119,475.39
  4. Step 4: Simplify right side
    329,886.66x = 59,125,812,542.90
  5. Step 5: Solve for x
    x = 59,125,812,542.90/329,886.66
  6. Step 6: Final answer
    x = 179,230.69

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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.