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Finding the Fourth Proportional to 448,079.33, 618,343.78 and 244,138.74

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Solution

The fourth proportional to 448,079.33, 618,343.78 and 244,138.74 is: 336,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,079.33 : 618,343.78 = 244,138.74 : x
  2. Step 2: Convert to fraction form
    448,079.33/618,343.78 = 244,138.74/x
  3. Step 3: Cross multiply
    448,079.33x = 618,343.78 × 244,138.74
  4. Step 4: Simplify right side
    448,079.33x = 150,961,671,336.04
  5. Step 5: Solve for x
    x = 150,961,671,336.04/448,079.33
  6. Step 6: Final answer
    x = 336,908.36

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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.