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Finding the Fourth Proportional to 300,542.60, 451,332.30 and 160,574.60

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Solution

The fourth proportional to 300,542.60, 451,332.30 and 160,574.60 is: 241,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,542.60 : 451,332.30 = 160,574.60 : x
  2. Step 2: Convert to fraction form
    300,542.60/451,332.30 = 160,574.60/x
  3. Step 3: Cross multiply
    300,542.60x = 451,332.30 × 160,574.60
  4. Step 4: Simplify right side
    300,542.60x = 72,472,503,539.58
  5. Step 5: Solve for x
    x = 72,472,503,539.58/300,542.60
  6. Step 6: Final answer
    x = 241,138.87

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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.