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Finding the Fourth Proportional to 487,691.37, 673,024.41 and 294,098.94

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Solution

The fourth proportional to 487,691.37, 673,024.41 and 294,098.94 is: 405,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,691.37 : 673,024.41 = 294,098.94 : x
  2. Step 2: Convert to fraction form
    487,691.37/673,024.41 = 294,098.94/x
  3. Step 3: Cross multiply
    487,691.37x = 673,024.41 × 294,098.94
  4. Step 4: Simplify right side
    487,691.37x = 197,935,765,575.13
  5. Step 5: Solve for x
    x = 197,935,765,575.13/487,691.37
  6. Step 6: Final answer
    x = 405,862.76

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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.