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Finding the Fourth Proportional to 238,352.36, 356,984.22 and 113,780.84

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Solution

The fourth proportional to 238,352.36, 356,984.22 and 113,780.84 is: 170,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,352.36 : 356,984.22 = 113,780.84 : x
  2. Step 2: Convert to fraction form
    238,352.36/356,984.22 = 113,780.84/x
  3. Step 3: Cross multiply
    238,352.36x = 356,984.22 × 113,780.84
  4. Step 4: Simplify right side
    238,352.36x = 40,617,964,418.34
  5. Step 5: Solve for x
    x = 40,617,964,418.34/238,352.36
  6. Step 6: Final answer
    x = 170,411.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.