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Finding the Fourth Proportional to 332,436.65, 498,654.95 and 83,118.65

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Solution

The fourth proportional to 332,436.65, 498,654.95 and 83,118.65 is: 124,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,436.65 : 498,654.95 = 83,118.65 : x
  2. Step 2: Convert to fraction form
    332,436.65/498,654.95 = 83,118.65/x
  3. Step 3: Cross multiply
    332,436.65x = 498,654.95 × 83,118.65
  4. Step 4: Simplify right side
    332,436.65x = 41,447,526,259.82
  5. Step 5: Solve for x
    x = 41,447,526,259.82/332,436.65
  6. Step 6: Final answer
    x = 124,677.97

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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.