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Finding the Fourth Proportional to 629,766.08, 869,044.34 and 357,796.24

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Solution

The fourth proportional to 629,766.08, 869,044.34 and 357,796.24 is: 493,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,766.08 : 869,044.34 = 357,796.24 : x
  2. Step 2: Convert to fraction form
    629,766.08/869,044.34 = 357,796.24/x
  3. Step 3: Cross multiply
    629,766.08x = 869,044.34 × 357,796.24
  4. Step 4: Simplify right side
    629,766.08x = 310,940,797,245.28
  5. Step 5: Solve for x
    x = 310,940,797,245.28/629,766.08
  6. Step 6: Final answer
    x = 493,740.15

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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.