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Finding the Fourth Proportional to 333,071.88, 499,553.10 and 143,480.82

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Solution

The fourth proportional to 333,071.88, 499,553.10 and 143,480.82 is: 215,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,071.88 : 499,553.10 = 143,480.82 : x
  2. Step 2: Convert to fraction form
    333,071.88/499,553.10 = 143,480.82/x
  3. Step 3: Cross multiply
    333,071.88x = 499,553.10 × 143,480.82
  4. Step 4: Simplify right side
    333,071.88x = 71,676,288,421.54
  5. Step 5: Solve for x
    x = 71,676,288,421.54/333,071.88
  6. Step 6: Final answer
    x = 215,197.66

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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.