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Finding the Fourth Proportional to 448,057.70, 618,317.76 and 244,108

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Solution

The fourth proportional to 448,057.70, 618,317.76 and 244,108 is: 336,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,057.70 : 618,317.76 = 244,108 : x
  2. Step 2: Convert to fraction form
    448,057.70/618,317.76 = 244,108/x
  3. Step 3: Cross multiply
    448,057.70x = 618,317.76 × 244,108
  4. Step 4: Simplify right side
    448,057.70x = 150,936,311,758.08
  5. Step 5: Solve for x
    x = 150,936,311,758.08/448,057.70
  6. Step 6: Final answer
    x = 336,868.02

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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.