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Finding the Fourth Proportional to 617,751.41, 927,226.31 and 298,128.24

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Solution

The fourth proportional to 617,751.41, 927,226.31 and 298,128.24 is: 447,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,751.41 : 927,226.31 = 298,128.24 : x
  2. Step 2: Convert to fraction form
    617,751.41/927,226.31 = 298,128.24/x
  3. Step 3: Cross multiply
    617,751.41x = 927,226.31 × 298,128.24
  4. Step 4: Simplify right side
    617,751.41x = 276,432,346,391.35
  5. Step 5: Solve for x
    x = 276,432,346,391.35/617,751.41
  6. Step 6: Final answer
    x = 447,481.53

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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.