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Finding the Fourth Proportional to 632,627.60, 948,634.20 and 351,846.80

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Solution

The fourth proportional to 632,627.60, 948,634.20 and 351,846.80 is: 527,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,627.60 : 948,634.20 = 351,846.80 : x
  2. Step 2: Convert to fraction form
    632,627.60/948,634.20 = 351,846.80/x
  3. Step 3: Cross multiply
    632,627.60x = 948,634.20 × 351,846.80
  4. Step 4: Simplify right side
    632,627.60x = 333,773,907,640.56
  5. Step 5: Solve for x
    x = 333,773,907,640.56/632,627.60
  6. Step 6: Final answer
    x = 527,599.35

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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.