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Finding the Fourth Proportional to 617,741.84, 927,211.96 and 298,118.65

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Solution

The fourth proportional to 617,741.84, 927,211.96 and 298,118.65 is: 447,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,741.84 : 927,211.96 = 298,118.65 : x
  2. Step 2: Convert to fraction form
    617,741.84/927,211.96 = 298,118.65/x
  3. Step 3: Cross multiply
    617,741.84x = 927,211.96 × 298,118.65
  4. Step 4: Simplify right side
    617,741.84x = 276,419,180,179.98
  5. Step 5: Solve for x
    x = 276,419,180,179.98/617,741.84
  6. Step 6: Final answer
    x = 447,467.15

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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.