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Finding the Fourth Proportional to 448,274.54, 618,603.09 and 244,321.46

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Solution

The fourth proportional to 448,274.54, 618,603.09 and 244,321.46 is: 337,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,274.54 : 618,603.09 = 244,321.46 : x
  2. Step 2: Convert to fraction form
    448,274.54/618,603.09 = 244,321.46/x
  3. Step 3: Cross multiply
    448,274.54x = 618,603.09 × 244,321.46
  4. Step 4: Simplify right side
    448,274.54x = 151,138,010,109.31
  5. Step 5: Solve for x
    x = 151,138,010,109.31/448,274.54
  6. Step 6: Final answer
    x = 337,155.02

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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.