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Finding the Fourth Proportional to 547,754.73, 755,899.52 and 302,732.61

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Solution

The fourth proportional to 547,754.73, 755,899.52 and 302,732.61 is: 417,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,754.73 : 755,899.52 = 302,732.61 : x
  2. Step 2: Convert to fraction form
    547,754.73/755,899.52 = 302,732.61/x
  3. Step 3: Cross multiply
    547,754.73x = 755,899.52 × 302,732.61
  4. Step 4: Simplify right side
    547,754.73x = 228,835,433,073.68
  5. Step 5: Solve for x
    x = 228,835,433,073.68/547,754.73
  6. Step 6: Final answer
    x = 417,769.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.