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Finding the Fourth Proportional to 447,940.69, 618,158.18 and 246,736.69

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Solution

The fourth proportional to 447,940.69, 618,158.18 and 246,736.69 is: 340,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,940.69 : 618,158.18 = 246,736.69 : x
  2. Step 2: Convert to fraction form
    447,940.69/618,158.18 = 246,736.69/x
  3. Step 3: Cross multiply
    447,940.69x = 618,158.18 × 246,736.69
  4. Step 4: Simplify right side
    447,940.69x = 152,522,302,301.07
  5. Step 5: Solve for x
    x = 152,522,302,301.07/447,940.69
  6. Step 6: Final answer
    x = 340,496.65

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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.