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Finding the Fourth Proportional to 303,417.30, 454,251.15 and 268,425.30

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Solution

The fourth proportional to 303,417.30, 454,251.15 and 268,425.30 is: 401,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,417.30 : 454,251.15 = 268,425.30 : x
  2. Step 2: Convert to fraction form
    303,417.30/454,251.15 = 268,425.30/x
  3. Step 3: Cross multiply
    303,417.30x = 454,251.15 × 268,425.30
  4. Step 4: Simplify right side
    303,417.30x = 121,932,501,214.10
  5. Step 5: Solve for x
    x = 121,932,501,214.10/303,417.30
  6. Step 6: Final answer
    x = 401,864.04

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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.