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Finding the Fourth Proportional to 332,969.70, 459,409.62 and 189,726.66

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Solution

The fourth proportional to 332,969.70, 459,409.62 and 189,726.66 is: 261,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,969.70 : 459,409.62 = 189,726.66 : x
  2. Step 2: Convert to fraction form
    332,969.70/459,409.62 = 189,726.66/x
  3. Step 3: Cross multiply
    332,969.70x = 459,409.62 × 189,726.66
  4. Step 4: Simplify right side
    332,969.70x = 87,162,252,774.47
  5. Step 5: Solve for x
    x = 87,162,252,774.47/332,969.70
  6. Step 6: Final answer
    x = 261,772.33

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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.