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Finding the Fourth Proportional to 307,819.39, 461,710.63 and 94,589.32

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Solution

The fourth proportional to 307,819.39, 461,710.63 and 94,589.32 is: 141,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,819.39 : 461,710.63 = 94,589.32 : x
  2. Step 2: Convert to fraction form
    307,819.39/461,710.63 = 94,589.32/x
  3. Step 3: Cross multiply
    307,819.39x = 461,710.63 × 94,589.32
  4. Step 4: Simplify right side
    307,819.39x = 43,672,894,358.14
  5. Step 5: Solve for x
    x = 43,672,894,358.14/307,819.39
  6. Step 6: Final answer
    x = 141,878.31

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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.