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Finding the Fourth Proportional to 442,296.88, 663,702.28 and 186,110.56

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Solution

The fourth proportional to 442,296.88, 663,702.28 and 186,110.56 is: 279,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,296.88 : 663,702.28 = 186,110.56 : x
  2. Step 2: Convert to fraction form
    442,296.88/663,702.28 = 186,110.56/x
  3. Step 3: Cross multiply
    442,296.88x = 663,702.28 × 186,110.56
  4. Step 4: Simplify right side
    442,296.88x = 123,522,003,004.08
  5. Step 5: Solve for x
    x = 123,522,003,004.08/442,296.88
  6. Step 6: Final answer
    x = 279,273.96

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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.