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Finding the Fourth Proportional to 332,040.42, 458,215.20 and 181,137.42

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Solution

The fourth proportional to 332,040.42, 458,215.20 and 181,137.42 is: 249,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,040.42 : 458,215.20 = 181,137.42 : x
  2. Step 2: Convert to fraction form
    332,040.42/458,215.20 = 181,137.42/x
  3. Step 3: Cross multiply
    332,040.42x = 458,215.20 × 181,137.42
  4. Step 4: Simplify right side
    332,040.42x = 82,999,919,132.78
  5. Step 5: Solve for x
    x = 82,999,919,132.78/332,040.42
  6. Step 6: Final answer
    x = 249,969.32

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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.