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Finding the Fourth Proportional to 332,657.55, 459,071.85 and 189,418.16

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Solution

The fourth proportional to 332,657.55, 459,071.85 and 189,418.16 is: 261,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,657.55 : 459,071.85 = 189,418.16 : x
  2. Step 2: Convert to fraction form
    332,657.55/459,071.85 = 189,418.16/x
  3. Step 3: Cross multiply
    332,657.55x = 459,071.85 × 189,418.16
  4. Step 4: Simplify right side
    332,657.55x = 86,956,542,839.44
  5. Step 5: Solve for x
    x = 86,956,542,839.44/332,657.55
  6. Step 6: Final answer
    x = 261,399.58

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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.