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Finding the Fourth Proportional to 222,406.70, 333,610.05 and 163,357.70

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Solution

The fourth proportional to 222,406.70, 333,610.05 and 163,357.70 is: 245,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,406.70 : 333,610.05 = 163,357.70 : x
  2. Step 2: Convert to fraction form
    222,406.70/333,610.05 = 163,357.70/x
  3. Step 3: Cross multiply
    222,406.70x = 333,610.05 × 163,357.70
  4. Step 4: Simplify right side
    222,406.70x = 54,497,770,464.89
  5. Step 5: Solve for x
    x = 54,497,770,464.89/222,406.70
  6. Step 6: Final answer
    x = 245,036.55

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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.