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Finding the Fourth Proportional to 571,996, 858,231.96 and 251,984.08

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Solution

The fourth proportional to 571,996, 858,231.96 and 251,984.08 is: 378,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,996 : 858,231.96 = 251,984.08 : x
  2. Step 2: Convert to fraction form
    571,996/858,231.96 = 251,984.08/x
  3. Step 3: Cross multiply
    571,996x = 858,231.96 × 251,984.08
  4. Step 4: Simplify right side
    571,996x = 216,260,790,867.20
  5. Step 5: Solve for x
    x = 216,260,790,867.20/571,996
  6. Step 6: Final answer
    x = 378,080.95

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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.