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Finding the Fourth Proportional to 354,704.20, 532,056.30 and 335,458.60

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Solution

The fourth proportional to 354,704.20, 532,056.30 and 335,458.60 is: 503,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,704.20 : 532,056.30 = 335,458.60 : x
  2. Step 2: Convert to fraction form
    354,704.20/532,056.30 = 335,458.60/x
  3. Step 3: Cross multiply
    354,704.20x = 532,056.30 × 335,458.60
  4. Step 4: Simplify right side
    354,704.20x = 178,482,861,519.18
  5. Step 5: Solve for x
    x = 178,482,861,519.18/354,704.20
  6. Step 6: Final answer
    x = 503,187.90

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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.