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Finding the Fourth Proportional to 227,608.20, 341,412.30 and 69,836.40

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Solution

The fourth proportional to 227,608.20, 341,412.30 and 69,836.40 is: 104,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,608.20 : 341,412.30 = 69,836.40 : x
  2. Step 2: Convert to fraction form
    227,608.20/341,412.30 = 69,836.40/x
  3. Step 3: Cross multiply
    227,608.20x = 341,412.30 × 69,836.40
  4. Step 4: Simplify right side
    227,608.20x = 23,843,005,947.72
  5. Step 5: Solve for x
    x = 23,843,005,947.72/227,608.20
  6. Step 6: Final answer
    x = 104,754.60

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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.