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Finding the Fourth Proportional to 632,625.60, 948,631.20 and 351,844.80

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Solution

The fourth proportional to 632,625.60, 948,631.20 and 351,844.80 is: 527,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,625.60 : 948,631.20 = 351,844.80 : x
  2. Step 2: Convert to fraction form
    632,625.60/948,631.20 = 351,844.80/x
  3. Step 3: Cross multiply
    632,625.60x = 948,631.20 × 351,844.80
  4. Step 4: Simplify right side
    632,625.60x = 333,770,954,837.76
  5. Step 5: Solve for x
    x = 333,770,954,837.76/632,625.60
  6. Step 6: Final answer
    x = 527,596.35

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1.5x scale

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.