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Finding the Fourth Proportional to 617,441.97, 925,630.67 and 238,628.46

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Solution

The fourth proportional to 617,441.97, 925,630.67 and 238,628.46 is: 357,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,441.97 : 925,630.67 = 238,628.46 : x
  2. Step 2: Convert to fraction form
    617,441.97/925,630.67 = 238,628.46/x
  3. Step 3: Cross multiply
    617,441.97x = 925,630.67 × 238,628.46
  4. Step 4: Simplify right side
    617,441.97x = 220,881,820,117.73
  5. Step 5: Solve for x
    x = 220,881,820,117.73/617,441.97
  6. Step 6: Final answer
    x = 357,736.97

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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.