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Finding the Fourth Proportional to 332,970.70, 459,411 and 189,727.66

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Solution

The fourth proportional to 332,970.70, 459,411 and 189,727.66 is: 261,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,970.70 : 459,411 = 189,727.66 : x
  2. Step 2: Convert to fraction form
    332,970.70/459,411 = 189,727.66/x
  3. Step 3: Cross multiply
    332,970.70x = 459,411 × 189,727.66
  4. Step 4: Simplify right side
    332,970.70x = 87,162,974,008.26
  5. Step 5: Solve for x
    x = 87,162,974,008.26/332,970.70
  6. Step 6: Final answer
    x = 261,773.71

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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.