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Finding the Fourth Proportional to 447,910.13, 618,116 and 246,706.13

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Solution

The fourth proportional to 447,910.13, 618,116 and 246,706.13 is: 340,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,910.13 : 618,116 = 246,706.13 : x
  2. Step 2: Convert to fraction form
    447,910.13/618,116 = 246,706.13/x
  3. Step 3: Cross multiply
    447,910.13x = 618,116 × 246,706.13
  4. Step 4: Simplify right side
    447,910.13x = 152,493,006,251.08
  5. Step 5: Solve for x
    x = 152,493,006,251.08/447,910.13
  6. Step 6: Final answer
    x = 340,454.47

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1.5x scale

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.