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Finding the Fourth Proportional to 448,324.31, 618,668.92 and 244,370.74

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Solution

The fourth proportional to 448,324.31, 618,668.92 and 244,370.74 is: 337,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,324.31 : 618,668.92 = 244,370.74 : x
  2. Step 2: Convert to fraction form
    448,324.31/618,668.92 = 244,370.74/x
  3. Step 3: Cross multiply
    448,324.31x = 618,668.92 × 244,370.74
  4. Step 4: Simplify right side
    448,324.31x = 151,184,581,795.40
  5. Step 5: Solve for x
    x = 151,184,581,795.40/448,324.31
  6. Step 6: Final answer
    x = 337,221.47

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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.