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Finding the Fourth Proportional to 448,323.56, 618,667.89 and 244,369.99

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Solution

The fourth proportional to 448,323.56, 618,667.89 and 244,369.99 is: 337,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,323.56 : 618,667.89 = 244,369.99 : x
  2. Step 2: Convert to fraction form
    448,323.56/618,667.89 = 244,369.99/x
  3. Step 3: Cross multiply
    448,323.56x = 618,667.89 × 244,369.99
  4. Step 4: Simplify right side
    448,323.56x = 151,183,864,545.95
  5. Step 5: Solve for x
    x = 151,183,864,545.95/448,323.56
  6. Step 6: Final answer
    x = 337,220.44

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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.