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Finding the Fourth Proportional to 547,811.32, 755,544.62 and 332,947.32

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Solution

The fourth proportional to 547,811.32, 755,544.62 and 332,947.32 is: 459,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,811.32 : 755,544.62 = 332,947.32 : x
  2. Step 2: Convert to fraction form
    547,811.32/755,544.62 = 332,947.32/x
  3. Step 3: Cross multiply
    547,811.32x = 755,544.62 × 332,947.32
  4. Step 4: Simplify right side
    547,811.32x = 251,556,556,369.42
  5. Step 5: Solve for x
    x = 251,556,556,369.42/547,811.32
  6. Step 6: Final answer
    x = 459,202.92

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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.