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Finding the Fourth Proportional to 222,409.90, 333,614.85 and 216,577.90

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Solution

The fourth proportional to 222,409.90, 333,614.85 and 216,577.90 is: 324,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,409.90 : 333,614.85 = 216,577.90 : x
  2. Step 2: Convert to fraction form
    222,409.90/333,614.85 = 216,577.90/x
  3. Step 3: Cross multiply
    222,409.90x = 333,614.85 × 216,577.90
  4. Step 4: Simplify right side
    222,409.90x = 72,253,603,621.82
  5. Step 5: Solve for x
    x = 72,253,603,621.82/222,409.90
  6. Step 6: Final answer
    x = 324,866.85

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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.