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Finding the Fourth Proportional to 222,429.80, 333,644.70 and 133,637.60

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Solution

The fourth proportional to 222,429.80, 333,644.70 and 133,637.60 is: 200,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,429.80 : 333,644.70 = 133,637.60 : x
  2. Step 2: Convert to fraction form
    222,429.80/333,644.70 = 133,637.60/x
  3. Step 3: Cross multiply
    222,429.80x = 333,644.70 × 133,637.60
  4. Step 4: Simplify right side
    222,429.80x = 44,587,476,960.72
  5. Step 5: Solve for x
    x = 44,587,476,960.72/222,429.80
  6. Step 6: Final answer
    x = 200,456.40

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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.