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Finding the Fourth Proportional to 238,937.62, 329,497.56 and 218,199.39

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Solution

The fourth proportional to 238,937.62, 329,497.56 and 218,199.39 is: 300,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,937.62 : 329,497.56 = 218,199.39 : x
  2. Step 2: Convert to fraction form
    238,937.62/329,497.56 = 218,199.39/x
  3. Step 3: Cross multiply
    238,937.62x = 329,497.56 × 218,199.39
  4. Step 4: Simplify right side
    238,937.62x = 71,896,167,836.17
  5. Step 5: Solve for x
    x = 71,896,167,836.17/238,937.62
  6. Step 6: Final answer
    x = 300,899.32

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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.