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Finding the Fourth Proportional to 439,954.37, 607,137.41 and 238,750.37

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Solution

The fourth proportional to 439,954.37, 607,137.41 and 238,750.37 is: 329,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,954.37 : 607,137.41 = 238,750.37 : x
  2. Step 2: Convert to fraction form
    439,954.37/607,137.41 = 238,750.37/x
  3. Step 3: Cross multiply
    439,954.37x = 607,137.41 × 238,750.37
  4. Step 4: Simplify right side
    439,954.37x = 144,954,278,839.53
  5. Step 5: Solve for x
    x = 144,954,278,839.53/439,954.37
  6. Step 6: Final answer
    x = 329,475.71

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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.