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Finding the Fourth Proportional to 438,588.58, 605,187.83 and 244,972.44

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Solution

The fourth proportional to 438,588.58, 605,187.83 and 244,972.44 is: 338,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,588.58 : 605,187.83 = 244,972.44 : x
  2. Step 2: Convert to fraction form
    438,588.58/605,187.83 = 244,972.44/x
  3. Step 3: Cross multiply
    438,588.58x = 605,187.83 × 244,972.44
  4. Step 4: Simplify right side
    438,588.58x = 148,254,335,122.60
  5. Step 5: Solve for x
    x = 148,254,335,122.60/438,588.58
  6. Step 6: Final answer
    x = 338,025.98

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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.