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Finding the Fourth Proportional to 332,789.56, 459,196.50 and 189,552.40

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Solution

The fourth proportional to 332,789.56, 459,196.50 and 189,552.40 is: 261,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,789.56 : 459,196.50 = 189,552.40 : x
  2. Step 2: Convert to fraction form
    332,789.56/459,196.50 = 189,552.40/x
  3. Step 3: Cross multiply
    332,789.56x = 459,196.50 × 189,552.40
  4. Step 4: Simplify right side
    332,789.56x = 87,041,798,646.60
  5. Step 5: Solve for x
    x = 87,041,798,646.60/332,789.56
  6. Step 6: Final answer
    x = 261,552.07

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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.