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Finding the Fourth Proportional to 238,570.70, 329,340.29 and 151,399.62

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Solution

The fourth proportional to 238,570.70, 329,340.29 and 151,399.62 is: 209,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,570.70 : 329,340.29 = 151,399.62 : x
  2. Step 2: Convert to fraction form
    238,570.70/329,340.29 = 151,399.62/x
  3. Step 3: Cross multiply
    238,570.70x = 329,340.29 × 151,399.62
  4. Step 4: Simplify right side
    238,570.70x = 49,861,993,999.69
  5. Step 5: Solve for x
    x = 49,861,993,999.69/238,570.70
  6. Step 6: Final answer
    x = 209,003.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.