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Finding the Fourth Proportional to 332,189.64, 458,446.32 and 188,995.80

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Solution

The fourth proportional to 332,189.64, 458,446.32 and 188,995.80 is: 260,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,189.64 : 458,446.32 = 188,995.80 : x
  2. Step 2: Convert to fraction form
    332,189.64/458,446.32 = 188,995.80/x
  3. Step 3: Cross multiply
    332,189.64x = 458,446.32 × 188,995.80
  4. Step 4: Simplify right side
    332,189.64x = 86,644,429,005.46
  5. Step 5: Solve for x
    x = 86,644,429,005.46/332,189.64
  6. Step 6: Final answer
    x = 260,828.21

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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.