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Finding the Fourth Proportional to 624,851.82, 862,291.58 and 338,371.43

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Solution

The fourth proportional to 624,851.82, 862,291.58 and 338,371.43 is: 466,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,851.82 : 862,291.58 = 338,371.43 : x
  2. Step 2: Convert to fraction form
    624,851.82/862,291.58 = 338,371.43/x
  3. Step 3: Cross multiply
    624,851.82x = 862,291.58 × 338,371.43
  4. Step 4: Simplify right side
    624,851.82x = 291,774,828,998.24
  5. Step 5: Solve for x
    x = 291,774,828,998.24/624,851.82
  6. Step 6: Final answer
    x = 466,950.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.