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Finding the Fourth Proportional to 438,452.72, 605,053.11 and 244,855.07

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Solution

The fourth proportional to 438,452.72, 605,053.11 and 244,855.07 is: 337,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,452.72 : 605,053.11 = 244,855.07 : x
  2. Step 2: Convert to fraction form
    438,452.72/605,053.11 = 244,855.07/x
  3. Step 3: Cross multiply
    438,452.72x = 605,053.11 × 244,855.07
  4. Step 4: Simplify right side
    438,452.72x = 148,150,321,602.77
  5. Step 5: Solve for x
    x = 148,150,321,602.77/438,452.72
  6. Step 6: Final answer
    x = 337,893.49

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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.