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Finding the Fourth Proportional to 332,436.21, 498,654.29 and 83,118.21

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Solution

The fourth proportional to 332,436.21, 498,654.29 and 83,118.21 is: 124,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,436.21 : 498,654.29 = 83,118.21 : x
  2. Step 2: Convert to fraction form
    332,436.21/498,654.29 = 83,118.21/x
  3. Step 3: Cross multiply
    332,436.21x = 498,654.29 × 83,118.21
  4. Step 4: Simplify right side
    332,436.21x = 41,447,252,201.42
  5. Step 5: Solve for x
    x = 41,447,252,201.42/332,436.21
  6. Step 6: Final answer
    x = 124,677.31

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Similar ratio
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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.