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Finding the Fourth Proportional to 447,580.88, 617,661.61 and 246,376.88

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Solution

The fourth proportional to 447,580.88, 617,661.61 and 246,376.88 is: 340,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,580.88 : 617,661.61 = 246,376.88 : x
  2. Step 2: Convert to fraction form
    447,580.88/617,661.61 = 246,376.88/x
  3. Step 3: Cross multiply
    447,580.88x = 617,661.61 × 246,376.88
  4. Step 4: Simplify right side
    447,580.88x = 152,177,540,367.58
  5. Step 5: Solve for x
    x = 152,177,540,367.58/447,580.88
  6. Step 6: Final answer
    x = 340,000.09

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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.