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Finding the Fourth Proportional to 400,867.17, 601,350.27 and 130,988.94

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Solution

The fourth proportional to 400,867.17, 601,350.27 and 130,988.94 is: 196,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,867.17 : 601,350.27 = 130,988.94 : x
  2. Step 2: Convert to fraction form
    400,867.17/601,350.27 = 130,988.94/x
  3. Step 3: Cross multiply
    400,867.17x = 601,350.27 × 130,988.94
  4. Step 4: Simplify right side
    400,867.17x = 78,770,234,436.01
  5. Step 5: Solve for x
    x = 78,770,234,436.01/400,867.17
  6. Step 6: Final answer
    x = 196,499.59

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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.