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Finding the Fourth Proportional to 332,712.55, 459,152.52 and 203,648.45

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Solution

The fourth proportional to 332,712.55, 459,152.52 and 203,648.45 is: 281,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,712.55 : 459,152.52 = 203,648.45 : x
  2. Step 2: Convert to fraction form
    332,712.55/459,152.52 = 203,648.45/x
  3. Step 3: Cross multiply
    332,712.55x = 459,152.52 × 203,648.45
  4. Step 4: Simplify right side
    332,712.55x = 93,505,701,544.53
  5. Step 5: Solve for x
    x = 93,505,701,544.53/332,712.55
  6. Step 6: Final answer
    x = 281,040.50

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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.