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Finding the Fourth Proportional to 293,408.70, 440,145.45 and 93,695.10

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Solution

The fourth proportional to 293,408.70, 440,145.45 and 93,695.10 is: 140,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,408.70 : 440,145.45 = 93,695.10 : x
  2. Step 2: Convert to fraction form
    293,408.70/440,145.45 = 93,695.10/x
  3. Step 3: Cross multiply
    293,408.70x = 440,145.45 × 93,695.10
  4. Step 4: Simplify right side
    293,408.70x = 41,239,471,952.30
  5. Step 5: Solve for x
    x = 41,239,471,952.30/293,408.70
  6. Step 6: Final answer
    x = 140,553.00

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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.