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Finding the Fourth Proportional to 438,589.33, 605,188.86 and 244,973.18

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Solution

The fourth proportional to 438,589.33, 605,188.86 and 244,973.18 is: 338,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,589.33 : 605,188.86 = 244,973.18 : x
  2. Step 2: Convert to fraction form
    438,589.33/605,188.86 = 244,973.18/x
  3. Step 3: Cross multiply
    438,589.33x = 605,188.86 × 244,973.18
  4. Step 4: Simplify right side
    438,589.33x = 148,255,040,129.10
  5. Step 5: Solve for x
    x = 148,255,040,129.10/438,589.33
  6. Step 6: Final answer
    x = 338,027.01

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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.