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Finding the Fourth Proportional to 332,712.30, 459,142.47 and 189,472.44

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Solution

The fourth proportional to 332,712.30, 459,142.47 and 189,472.44 is: 261,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,712.30 : 459,142.47 = 189,472.44 : x
  2. Step 2: Convert to fraction form
    332,712.30/459,142.47 = 189,472.44/x
  3. Step 3: Cross multiply
    332,712.30x = 459,142.47 × 189,472.44
  4. Step 4: Simplify right side
    332,712.30x = 86,994,844,098.53
  5. Step 5: Solve for x
    x = 86,994,844,098.53/332,712.30
  6. Step 6: Final answer
    x = 261,471.68

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1.5x scale

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.