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Finding the Fourth Proportional to 630,843.24, 946,260 and 157,525.44

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Solution

The fourth proportional to 630,843.24, 946,260 and 157,525.44 is: 236,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,843.24 : 946,260 = 157,525.44 : x
  2. Step 2: Convert to fraction form
    630,843.24/946,260 = 157,525.44/x
  3. Step 3: Cross multiply
    630,843.24x = 946,260 × 157,525.44
  4. Step 4: Simplify right side
    630,843.24x = 149,060,022,854.40
  5. Step 5: Solve for x
    x = 149,060,022,854.40/630,843.24
  6. Step 6: Final answer
    x = 236,286.95

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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.