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Finding the Fourth Proportional to 332,373.66, 458,659.71 and 189,120.30

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Solution

The fourth proportional to 332,373.66, 458,659.71 and 189,120.30 is: 260,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,373.66 : 458,659.71 = 189,120.30 : x
  2. Step 2: Convert to fraction form
    332,373.66/458,659.71 = 189,120.30/x
  3. Step 3: Cross multiply
    332,373.66x = 458,659.71 × 189,120.30
  4. Step 4: Simplify right side
    332,373.66x = 86,741,861,953.11
  5. Step 5: Solve for x
    x = 86,741,861,953.11/332,373.66
  6. Step 6: Final answer
    x = 260,976.94

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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.