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Finding the Fourth Proportional to 303,218.60, 454,171.80 and 162,813.20

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Solution

The fourth proportional to 303,218.60, 454,171.80 and 162,813.20 is: 243,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,218.60 : 454,171.80 = 162,813.20 : x
  2. Step 2: Convert to fraction form
    303,218.60/454,171.80 = 162,813.20/x
  3. Step 3: Cross multiply
    303,218.60x = 454,171.80 × 162,813.20
  4. Step 4: Simplify right side
    303,218.60x = 73,945,164,107.76
  5. Step 5: Solve for x
    x = 73,945,164,107.76/303,218.60
  6. Step 6: Final answer
    x = 243,867.51

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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.