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Finding the Fourth Proportional to 310,936.25, 465,656.96 and 177,411.70

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Solution

The fourth proportional to 310,936.25, 465,656.96 and 177,411.70 is: 265,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,936.25 : 465,656.96 = 177,411.70 : x
  2. Step 2: Convert to fraction form
    310,936.25/465,656.96 = 177,411.70/x
  3. Step 3: Cross multiply
    310,936.25x = 465,656.96 × 177,411.70
  4. Step 4: Simplify right side
    310,936.25x = 82,612,993,916.03
  5. Step 5: Solve for x
    x = 82,612,993,916.03/310,936.25
  6. Step 6: Final answer
    x = 265,691.10

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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.