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Finding the Fourth Proportional to 297,891.66, 446,837.49 and 87,529.59

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Solution

The fourth proportional to 297,891.66, 446,837.49 and 87,529.59 is: 131,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,891.66 : 446,837.49 = 87,529.59 : x
  2. Step 2: Convert to fraction form
    297,891.66/446,837.49 = 87,529.59/x
  3. Step 3: Cross multiply
    297,891.66x = 446,837.49 × 87,529.59
  4. Step 4: Simplify right side
    297,891.66x = 39,111,502,296.33
  5. Step 5: Solve for x
    x = 39,111,502,296.33/297,891.66
  6. Step 6: Final answer
    x = 131,294.39

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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.