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Finding the Fourth Proportional to 332,712.82, 459,152.89 and 203,648.72

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Solution

The fourth proportional to 332,712.82, 459,152.89 and 203,648.72 is: 281,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,712.82 : 459,152.89 = 203,648.72 : x
  2. Step 2: Convert to fraction form
    332,712.82/459,152.89 = 203,648.72/x
  3. Step 3: Cross multiply
    332,712.82x = 459,152.89 × 203,648.72
  4. Step 4: Simplify right side
    332,712.82x = 93,505,898,332.80
  5. Step 5: Solve for x
    x = 93,505,898,332.80/332,712.82
  6. Step 6: Final answer
    x = 281,040.86

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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.