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Finding the Fourth Proportional to 222,745.01, 334,402.64 and 191,355.89

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Solution

The fourth proportional to 222,745.01, 334,402.64 and 191,355.89 is: 287,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,745.01 : 334,402.64 = 191,355.89 : x
  2. Step 2: Convert to fraction form
    222,745.01/334,402.64 = 191,355.89/x
  3. Step 3: Cross multiply
    222,745.01x = 334,402.64 × 191,355.89
  4. Step 4: Simplify right side
    222,745.01x = 63,989,916,109.95
  5. Step 5: Solve for x
    x = 63,989,916,109.95/222,745.01
  6. Step 6: Final answer
    x = 287,278.78

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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.