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Finding the Fourth Proportional to 244,643.20, 366,770.40 and 133,835.20

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Solution

The fourth proportional to 244,643.20, 366,770.40 and 133,835.20 is: 200,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,643.20 : 366,770.40 = 133,835.20 : x
  2. Step 2: Convert to fraction form
    244,643.20/366,770.40 = 133,835.20/x
  3. Step 3: Cross multiply
    244,643.20x = 366,770.40 × 133,835.20
  4. Step 4: Simplify right side
    244,643.20x = 49,086,789,838.08
  5. Step 5: Solve for x
    x = 49,086,789,838.08/244,643.20
  6. Step 6: Final answer
    x = 200,646.45

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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.