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Finding the Fourth Proportional to 488,464.20, 732,800.79 and 151,497.45

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Solution

The fourth proportional to 488,464.20, 732,800.79 and 151,497.45 is: 227,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,464.20 : 732,800.79 = 151,497.45 : x
  2. Step 2: Convert to fraction form
    488,464.20/732,800.79 = 151,497.45/x
  3. Step 3: Cross multiply
    488,464.20x = 732,800.79 × 151,497.45
  4. Step 4: Simplify right side
    488,464.20x = 111,017,451,042.99
  5. Step 5: Solve for x
    x = 111,017,451,042.99/488,464.20
  6. Step 6: Final answer
    x = 227,278.58

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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.