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Finding the Fourth Proportional to 617,257.28, 925,234.59 and 332,870.43

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Solution

The fourth proportional to 617,257.28, 925,234.59 and 332,870.43 is: 498,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,257.28 : 925,234.59 = 332,870.43 : x
  2. Step 2: Convert to fraction form
    617,257.28/925,234.59 = 332,870.43/x
  3. Step 3: Cross multiply
    617,257.28x = 925,234.59 × 332,870.43
  4. Step 4: Simplify right side
    617,257.28x = 307,983,233,602.81
  5. Step 5: Solve for x
    x = 307,983,233,602.81/617,257.28
  6. Step 6: Final answer
    x = 498,954.40

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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.