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Finding the Fourth Proportional to 493,306.20, 739,740.60 and 226,929.60

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Solution

The fourth proportional to 493,306.20, 739,740.60 and 226,929.60 is: 340,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,306.20 : 739,740.60 = 226,929.60 : x
  2. Step 2: Convert to fraction form
    493,306.20/739,740.60 = 226,929.60/x
  3. Step 3: Cross multiply
    493,306.20x = 739,740.60 × 226,929.60
  4. Step 4: Simplify right side
    493,306.20x = 167,869,038,461.76
  5. Step 5: Solve for x
    x = 167,869,038,461.76/493,306.20
  6. Step 6: Final answer
    x = 340,293.79

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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.