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Finding the Fourth Proportional to 303,314.80, 454,993.80 and 92,952.40

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Solution

The fourth proportional to 303,314.80, 454,993.80 and 92,952.40 is: 139,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,314.80 : 454,993.80 = 92,952.40 : x
  2. Step 2: Convert to fraction form
    303,314.80/454,993.80 = 92,952.40/x
  3. Step 3: Cross multiply
    303,314.80x = 454,993.80 × 92,952.40
  4. Step 4: Simplify right side
    303,314.80x = 42,292,765,695.12
  5. Step 5: Solve for x
    x = 42,292,765,695.12/303,314.80
  6. Step 6: Final answer
    x = 139,435.22

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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.