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Finding the Fourth Proportional to 303,205.80, 454,517.10 and 235,700.40

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Solution

The fourth proportional to 303,205.80, 454,517.10 and 235,700.40 is: 353,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,205.80 : 454,517.10 = 235,700.40 : x
  2. Step 2: Convert to fraction form
    303,205.80/454,517.10 = 235,700.40/x
  3. Step 3: Cross multiply
    303,205.80x = 454,517.10 × 235,700.40
  4. Step 4: Simplify right side
    303,205.80x = 107,129,862,276.84
  5. Step 5: Solve for x
    x = 107,129,862,276.84/303,205.80
  6. Step 6: Final answer
    x = 353,323.92

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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.