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Finding the Fourth Proportional to 448,287.76, 618,631.67 and 244,338.05

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Solution

The fourth proportional to 448,287.76, 618,631.67 and 244,338.05 is: 337,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,287.76 : 618,631.67 = 244,338.05 : x
  2. Step 2: Convert to fraction form
    448,287.76/618,631.67 = 244,338.05/x
  3. Step 3: Cross multiply
    448,287.76x = 618,631.67 × 244,338.05
  4. Step 4: Simplify right side
    448,287.76x = 151,155,255,916.04
  5. Step 5: Solve for x
    x = 151,155,255,916.04/448,287.76
  6. Step 6: Final answer
    x = 337,183.54

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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.