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Finding the Fourth Proportional to 239,335.42, 330,392.02 and 170,469.22

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Solution

The fourth proportional to 239,335.42, 330,392.02 and 170,469.22 is: 235,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,335.42 : 330,392.02 = 170,469.22 : x
  2. Step 2: Convert to fraction form
    239,335.42/330,392.02 = 170,469.22/x
  3. Step 3: Cross multiply
    239,335.42x = 330,392.02 × 170,469.22
  4. Step 4: Simplify right side
    239,335.42x = 56,321,670,110.03
  5. Step 5: Solve for x
    x = 56,321,670,110.03/239,335.42
  6. Step 6: Final answer
    x = 235,325.26

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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.