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Finding the Fourth Proportional to 334,866.84, 501,872.76 and 156,982.08

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Solution

The fourth proportional to 334,866.84, 501,872.76 and 156,982.08 is: 235,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,866.84 : 501,872.76 = 156,982.08 : x
  2. Step 2: Convert to fraction form
    334,866.84/501,872.76 = 156,982.08/x
  3. Step 3: Cross multiply
    334,866.84x = 501,872.76 × 156,982.08
  4. Step 4: Simplify right side
    334,866.84x = 78,785,029,760.14
  5. Step 5: Solve for x
    x = 78,785,029,760.14/334,866.84
  6. Step 6: Final answer
    x = 235,272.71

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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.