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Finding the Fourth Proportional to 447,879.72, 618,045.66 and 246,675.72

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Solution

The fourth proportional to 447,879.72, 618,045.66 and 246,675.72 is: 340,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,879.72 : 618,045.66 = 246,675.72 : x
  2. Step 2: Convert to fraction form
    447,879.72/618,045.66 = 246,675.72/x
  3. Step 3: Cross multiply
    447,879.72x = 618,045.66 × 246,675.72
  4. Step 4: Simplify right side
    447,879.72x = 152,456,858,173.38
  5. Step 5: Solve for x
    x = 152,456,858,173.38/447,879.72
  6. Step 6: Final answer
    x = 340,396.88

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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.