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Finding the Fourth Proportional to 481,830.68, 722,849.52 and 144,843.32

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Solution

The fourth proportional to 481,830.68, 722,849.52 and 144,843.32 is: 217,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,830.68 : 722,849.52 = 144,843.32 : x
  2. Step 2: Convert to fraction form
    481,830.68/722,849.52 = 144,843.32/x
  3. Step 3: Cross multiply
    481,830.68x = 722,849.52 × 144,843.32
  4. Step 4: Simplify right side
    481,830.68x = 104,699,924,337.21
  5. Step 5: Solve for x
    x = 104,699,924,337.21/481,830.68
  6. Step 6: Final answer
    x = 217,296.09

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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.