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Finding the Fourth Proportional to 217,331.40, 325,559.70 and 150,846.60

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Solution

The fourth proportional to 217,331.40, 325,559.70 and 150,846.60 is: 225,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,331.40 : 325,559.70 = 150,846.60 : x
  2. Step 2: Convert to fraction form
    217,331.40/325,559.70 = 150,846.60/x
  3. Step 3: Cross multiply
    217,331.40x = 325,559.70 × 150,846.60
  4. Step 4: Simplify right side
    217,331.40x = 49,109,573,842.02
  5. Step 5: Solve for x
    x = 49,109,573,842.02/217,331.40
  6. Step 6: Final answer
    x = 225,966.31

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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.