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Finding the Fourth Proportional to 389,016.62, 536,852.44 and 216,932.92

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Solution

The fourth proportional to 389,016.62, 536,852.44 and 216,932.92 is: 299,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,016.62 : 536,852.44 = 216,932.92 : x
  2. Step 2: Convert to fraction form
    389,016.62/536,852.44 = 216,932.92/x
  3. Step 3: Cross multiply
    389,016.62x = 536,852.44 × 216,932.92
  4. Step 4: Simplify right side
    389,016.62x = 116,460,967,418.33
  5. Step 5: Solve for x
    x = 116,460,967,418.33/389,016.62
  6. Step 6: Final answer
    x = 299,372.73

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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.