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Finding the Fourth Proportional to 332,763.18, 459,294.78 and 189,607.56

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Solution

The fourth proportional to 332,763.18, 459,294.78 and 189,607.56 is: 261,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,763.18 : 459,294.78 = 189,607.56 : x
  2. Step 2: Convert to fraction form
    332,763.18/459,294.78 = 189,607.56/x
  3. Step 3: Cross multiply
    332,763.18x = 459,294.78 × 189,607.56
  4. Step 4: Simplify right side
    332,763.18x = 87,085,762,556.54
  5. Step 5: Solve for x
    x = 87,085,762,556.54/332,763.18
  6. Step 6: Final answer
    x = 261,704.92

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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.