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Finding the Fourth Proportional to 222,745.95, 334,404.05 and 191,356.83

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Solution

The fourth proportional to 222,745.95, 334,404.05 and 191,356.83 is: 287,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,745.95 : 334,404.05 = 191,356.83 : x
  2. Step 2: Convert to fraction form
    222,745.95/334,404.05 = 191,356.83/x
  3. Step 3: Cross multiply
    222,745.95x = 334,404.05 × 191,356.83
  4. Step 4: Simplify right side
    222,745.95x = 63,990,497,990.38
  5. Step 5: Solve for x
    x = 63,990,497,990.38/222,745.95
  6. Step 6: Final answer
    x = 287,280.19

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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.