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Finding the Fourth Proportional to 297,137.80, 445,101.90 and 184,472.20

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Solution

The fourth proportional to 297,137.80, 445,101.90 and 184,472.20 is: 276,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,137.80 : 445,101.90 = 184,472.20 : x
  2. Step 2: Convert to fraction form
    297,137.80/445,101.90 = 184,472.20/x
  3. Step 3: Cross multiply
    297,137.80x = 445,101.90 × 184,472.20
  4. Step 4: Simplify right side
    297,137.80x = 82,108,926,717.18
  5. Step 5: Solve for x
    x = 82,108,926,717.18/297,137.80
  6. Step 6: Final answer
    x = 276,332.82

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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.