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Finding the Fourth Proportional to 333,789.05, 499,853.18 and 233,479.55

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Solution

The fourth proportional to 333,789.05, 499,853.18 and 233,479.55 is: 349,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,789.05 : 499,853.18 = 233,479.55 : x
  2. Step 2: Convert to fraction form
    333,789.05/499,853.18 = 233,479.55/x
  3. Step 3: Cross multiply
    333,789.05x = 499,853.18 × 233,479.55
  4. Step 4: Simplify right side
    333,789.05x = 116,705,497,365.80
  5. Step 5: Solve for x
    x = 116,705,497,365.80/333,789.05
  6. Step 6: Final answer
    x = 349,638.48

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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.