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Finding the Fourth Proportional to 617,363.58, 926,081.22 and 238,286.46

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Solution

The fourth proportional to 617,363.58, 926,081.22 and 238,286.46 is: 357,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,363.58 : 926,081.22 = 238,286.46 : x
  2. Step 2: Convert to fraction form
    617,363.58/926,081.22 = 238,286.46/x
  3. Step 3: Cross multiply
    617,363.58x = 926,081.22 × 238,286.46
  4. Step 4: Simplify right side
    617,363.58x = 220,672,615,586.28
  5. Step 5: Solve for x
    x = 220,672,615,586.28/617,363.58
  6. Step 6: Final answer
    x = 357,443.53

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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.