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Finding the Fourth Proportional to 294,371.01, 441,645.20 and 91,958.94

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Solution

The fourth proportional to 294,371.01, 441,645.20 and 91,958.94 is: 137,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,371.01 : 441,645.20 = 91,958.94 : x
  2. Step 2: Convert to fraction form
    294,371.01/441,645.20 = 91,958.94/x
  3. Step 3: Cross multiply
    294,371.01x = 441,645.20 × 91,958.94
  4. Step 4: Simplify right side
    294,371.01x = 40,613,224,448.09
  5. Step 5: Solve for x
    x = 40,613,224,448.09/294,371.01
  6. Step 6: Final answer
    x = 137,966.11

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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.