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Finding the Fourth Proportional to 332,695.80, 459,119.70 and 189,455.90

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Solution

The fourth proportional to 332,695.80, 459,119.70 and 189,455.90 is: 261,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,695.80 : 459,119.70 = 189,455.90 : x
  2. Step 2: Convert to fraction form
    332,695.80/459,119.70 = 189,455.90/x
  3. Step 3: Cross multiply
    332,695.80x = 459,119.70 × 189,455.90
  4. Step 4: Simplify right side
    332,695.80x = 86,982,933,675.63
  5. Step 5: Solve for x
    x = 86,982,933,675.63/332,695.80
  6. Step 6: Final answer
    x = 261,448.85

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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.