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Finding the Fourth Proportional to 617,440.46, 925,628.42 and 238,626.95

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Solution

The fourth proportional to 617,440.46, 925,628.42 and 238,626.95 is: 357,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,440.46 : 925,628.42 = 238,626.95 : x
  2. Step 2: Convert to fraction form
    617,440.46/925,628.42 = 238,626.95/x
  3. Step 3: Cross multiply
    617,440.46x = 925,628.42 × 238,626.95
  4. Step 4: Simplify right side
    617,440.46x = 220,879,889,608.56
  5. Step 5: Solve for x
    x = 220,879,889,608.56/617,440.46
  6. Step 6: Final answer
    x = 357,734.72

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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.