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Finding the Fourth Proportional to 336,175.78, 463,915.70 and 185,272.78

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Solution

The fourth proportional to 336,175.78, 463,915.70 and 185,272.78 is: 255,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,175.78 : 463,915.70 = 185,272.78 : x
  2. Step 2: Convert to fraction form
    336,175.78/463,915.70 = 185,272.78/x
  3. Step 3: Cross multiply
    336,175.78x = 463,915.70 × 185,272.78
  4. Step 4: Simplify right side
    336,175.78x = 85,950,951,424.65
  5. Step 5: Solve for x
    x = 85,950,951,424.65/336,175.78
  6. Step 6: Final answer
    x = 255,672.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.