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Finding the Fourth Proportional to 336,840.50, 464,839.89 and 185,937.50

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Solution

The fourth proportional to 336,840.50, 464,839.89 and 185,937.50 is: 256,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,840.50 : 464,839.89 = 185,937.50 : x
  2. Step 2: Convert to fraction form
    336,840.50/464,839.89 = 185,937.50/x
  3. Step 3: Cross multiply
    336,840.50x = 464,839.89 × 185,937.50
  4. Step 4: Simplify right side
    336,840.50x = 86,431,167,046.88
  5. Step 5: Solve for x
    x = 86,431,167,046.88/336,840.50
  6. Step 6: Final answer
    x = 256,593.75

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1.5x scale

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.