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Finding the Fourth Proportional to 365,538.60, 547,700.40 and 351,716.76

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Solution

The fourth proportional to 365,538.60, 547,700.40 and 351,716.76 is: 526,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,538.60 : 547,700.40 = 351,716.76 : x
  2. Step 2: Convert to fraction form
    365,538.60/547,700.40 = 351,716.76/x
  3. Step 3: Cross multiply
    365,538.60x = 547,700.40 × 351,716.76
  4. Step 4: Simplify right side
    365,538.60x = 192,635,410,138.70
  5. Step 5: Solve for x
    x = 192,635,410,138.70/365,538.60
  6. Step 6: Final answer
    x = 526,990.61

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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.