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Finding the Fourth Proportional to 629,360.80, 943,627.52 and 305,063.04

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Solution

The fourth proportional to 629,360.80, 943,627.52 and 305,063.04 is: 457,394.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,360.80 : 943,627.52 = 305,063.04 : x
  2. Step 2: Convert to fraction form
    629,360.80/943,627.52 = 305,063.04/x
  3. Step 3: Cross multiply
    629,360.80x = 943,627.52 × 305,063.04
  4. Step 4: Simplify right side
    629,360.80x = 287,865,879,878.86
  5. Step 5: Solve for x
    x = 287,865,879,878.86/629,360.80
  6. Step 6: Final answer
    x = 457,394.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.