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Finding the Fourth Proportional to 447,694.56, 617,822.64 and 246,497.76

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Solution

The fourth proportional to 447,694.56, 617,822.64 and 246,497.76 is: 340,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,694.56 : 617,822.64 = 246,497.76 : x
  2. Step 2: Convert to fraction form
    447,694.56/617,822.64 = 246,497.76/x
  3. Step 3: Cross multiply
    447,694.56x = 617,822.64 × 246,497.76
  4. Step 4: Simplify right side
    447,694.56x = 152,291,896,837.29
  5. Step 5: Solve for x
    x = 152,291,896,837.29/447,694.56
  6. Step 6: Final answer
    x = 340,169.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.