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Finding the Fourth Proportional to 330,760.60, 496,140.90 and 173,037.40

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Solution

The fourth proportional to 330,760.60, 496,140.90 and 173,037.40 is: 259,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,760.60 : 496,140.90 = 173,037.40 : x
  2. Step 2: Convert to fraction form
    330,760.60/496,140.90 = 173,037.40/x
  3. Step 3: Cross multiply
    330,760.60x = 496,140.90 × 173,037.40
  4. Step 4: Simplify right side
    330,760.60x = 85,850,931,369.66
  5. Step 5: Solve for x
    x = 85,850,931,369.66/330,760.60
  6. Step 6: Final answer
    x = 259,556.10

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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.