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Finding the Fourth Proportional to 493,306.20, 739,740.60 and 227,148.30

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Solution

The fourth proportional to 493,306.20, 739,740.60 and 227,148.30 is: 340,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,306.20 : 739,740.60 = 227,148.30 : x
  2. Step 2: Convert to fraction form
    493,306.20/739,740.60 = 227,148.30/x
  3. Step 3: Cross multiply
    493,306.20x = 739,740.60 × 227,148.30
  4. Step 4: Simplify right side
    493,306.20x = 168,030,819,730.98
  5. Step 5: Solve for x
    x = 168,030,819,730.98/493,306.20
  6. Step 6: Final answer
    x = 340,621.75

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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.