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Finding the Fourth Proportional to 336,864.25, 464,872.80 and 185,961.25

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Solution

The fourth proportional to 336,864.25, 464,872.80 and 185,961.25 is: 256,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,864.25 : 464,872.80 = 185,961.25 : x
  2. Step 2: Convert to fraction form
    336,864.25/464,872.80 = 185,961.25/x
  3. Step 3: Cross multiply
    336,864.25x = 464,872.80 × 185,961.25
  4. Step 4: Simplify right side
    336,864.25x = 86,448,326,979
  5. Step 5: Solve for x
    x = 86,448,326,979/336,864.25
  6. Step 6: Final answer
    x = 256,626.60

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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.