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Finding the Fourth Proportional to 447,689.60, 671,112.30 and 222,837.56

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Solution

The fourth proportional to 447,689.60, 671,112.30 and 222,837.56 is: 334,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,689.60 : 671,112.30 = 222,837.56 : x
  2. Step 2: Convert to fraction form
    447,689.60/671,112.30 = 222,837.56/x
  3. Step 3: Cross multiply
    447,689.60x = 671,112.30 × 222,837.56
  4. Step 4: Simplify right side
    447,689.60x = 149,549,027,417.99
  5. Step 5: Solve for x
    x = 149,549,027,417.99/447,689.60
  6. Step 6: Final answer
    x = 334,046.24

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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.