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Finding the Fourth Proportional to 448,507.56, 618,945.32 and 244,556.88

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Solution

The fourth proportional to 448,507.56, 618,945.32 and 244,556.88 is: 337,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,507.56 : 618,945.32 = 244,556.88 : x
  2. Step 2: Convert to fraction form
    448,507.56/618,945.32 = 244,556.88/x
  3. Step 3: Cross multiply
    448,507.56x = 618,945.32 × 244,556.88
  4. Step 4: Simplify right side
    448,507.56x = 151,367,336,349.80
  5. Step 5: Solve for x
    x = 151,367,336,349.80/448,507.56
  6. Step 6: Final answer
    x = 337,491.16

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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.