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Finding the Fourth Proportional to 448,007.38, 618,249.91 and 246,803.38

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Solution

The fourth proportional to 448,007.38, 618,249.91 and 246,803.38 is: 340,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,007.38 : 618,249.91 = 246,803.38 : x
  2. Step 2: Convert to fraction form
    448,007.38/618,249.91 = 246,803.38/x
  3. Step 3: Cross multiply
    448,007.38x = 618,249.91 × 246,803.38
  4. Step 4: Simplify right side
    448,007.38x = 152,586,167,472.70
  5. Step 5: Solve for x
    x = 152,586,167,472.70/448,007.38
  6. Step 6: Final answer
    x = 340,588.51

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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.