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Finding the Fourth Proportional to 397,246.80, 595,870.20 and 131,048.40

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Solution

The fourth proportional to 397,246.80, 595,870.20 and 131,048.40 is: 196,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,246.80 : 595,870.20 = 131,048.40 : x
  2. Step 2: Convert to fraction form
    397,246.80/595,870.20 = 131,048.40/x
  3. Step 3: Cross multiply
    397,246.80x = 595,870.20 × 131,048.40
  4. Step 4: Simplify right side
    397,246.80x = 78,087,836,317.68
  5. Step 5: Solve for x
    x = 78,087,836,317.68/397,246.80
  6. Step 6: Final answer
    x = 196,572.60

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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.