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Finding the Fourth Proportional to 303,286.80, 454,930.20 and 92,897.40

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Solution

The fourth proportional to 303,286.80, 454,930.20 and 92,897.40 is: 139,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,286.80 : 454,930.20 = 92,897.40 : x
  2. Step 2: Convert to fraction form
    303,286.80/454,930.20 = 92,897.40/x
  3. Step 3: Cross multiply
    303,286.80x = 454,930.20 × 92,897.40
  4. Step 4: Simplify right side
    303,286.80x = 42,261,832,761.48
  5. Step 5: Solve for x
    x = 42,261,832,761.48/303,286.80
  6. Step 6: Final answer
    x = 139,346.10

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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.