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Finding the Fourth Proportional to 333,306.56, 499,959.84 and 83,988.56

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Solution

The fourth proportional to 333,306.56, 499,959.84 and 83,988.56 is: 125,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,306.56 : 499,959.84 = 83,988.56 : x
  2. Step 2: Convert to fraction form
    333,306.56/499,959.84 = 83,988.56/x
  3. Step 3: Cross multiply
    333,306.56x = 499,959.84 × 83,988.56
  4. Step 4: Simplify right side
    333,306.56x = 41,990,908,584.29
  5. Step 5: Solve for x
    x = 41,990,908,584.29/333,306.56
  6. Step 6: Final answer
    x = 125,982.84

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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.