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Finding the Fourth Proportional to 356,586.44, 534,682.82 and 146,372.00

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Solution

The fourth proportional to 356,586.44, 534,682.82 and 146,372.00 is: 219,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,586.44 : 534,682.82 = 146,372.00 : x
  2. Step 2: Convert to fraction form
    356,586.44/534,682.82 = 146,372.00/x
  3. Step 3: Cross multiply
    356,586.44x = 534,682.82 × 146,372.00
  4. Step 4: Simplify right side
    356,586.44x = 78,262,591,421.56
  5. Step 5: Solve for x
    x = 78,262,591,421.56/356,586.44
  6. Step 6: Final answer
    x = 219,477.20

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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.