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Finding the Fourth Proportional to 333,440.26, 499,908.84 and 108,666.47

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Solution

The fourth proportional to 333,440.26, 499,908.84 and 108,666.47 is: 162,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,440.26 : 499,908.84 = 108,666.47 : x
  2. Step 2: Convert to fraction form
    333,440.26/499,908.84 = 108,666.47/x
  3. Step 3: Cross multiply
    333,440.26x = 499,908.84 × 108,666.47
  4. Step 4: Simplify right side
    333,440.26x = 54,323,328,964.59
  5. Step 5: Solve for x
    x = 54,323,328,964.59/333,440.26
  6. Step 6: Final answer
    x = 162,917.73

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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.