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Finding the Fourth Proportional to 617,767.92, 927,251.08 and 298,144.72

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Solution

The fourth proportional to 617,767.92, 927,251.08 and 298,144.72 is: 447,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,767.92 : 927,251.08 = 298,144.72 : x
  2. Step 2: Convert to fraction form
    617,767.92/927,251.08 = 298,144.72/x
  3. Step 3: Cross multiply
    617,767.92x = 927,251.08 × 298,144.72
  4. Step 4: Simplify right side
    617,767.92x = 276,455,013,616.30
  5. Step 5: Solve for x
    x = 276,455,013,616.30/617,767.92
  6. Step 6: Final answer
    x = 447,506.26

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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.