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Finding the Fourth Proportional to 222,745.51, 334,403.39 and 191,356.39

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Solution

The fourth proportional to 222,745.51, 334,403.39 and 191,356.39 is: 287,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,745.51 : 334,403.39 = 191,356.39 : x
  2. Step 2: Convert to fraction form
    222,745.51/334,403.39 = 191,356.39/x
  3. Step 3: Cross multiply
    222,745.51x = 334,403.39 × 191,356.39
  4. Step 4: Simplify right side
    222,745.51x = 63,990,226,828.56
  5. Step 5: Solve for x
    x = 63,990,226,828.56/222,745.51
  6. Step 6: Final answer
    x = 287,279.53

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1.5x scale

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.