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Finding the Fourth Proportional to 302,519.73, 453,735.64 and 89,277.24

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Solution

The fourth proportional to 302,519.73, 453,735.64 and 89,277.24 is: 133,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,519.73 : 453,735.64 = 89,277.24 : x
  2. Step 2: Convert to fraction form
    302,519.73/453,735.64 = 89,277.24/x
  3. Step 3: Cross multiply
    302,519.73x = 453,735.64 × 89,277.24
  4. Step 4: Simplify right side
    302,519.73x = 40,508,265,628.83
  5. Step 5: Solve for x
    x = 40,508,265,628.83/302,519.73
  6. Step 6: Final answer
    x = 133,902.89

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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.