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Finding the Fourth Proportional to 624,538.84, 861,865.74 and 338,058.84

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Solution

The fourth proportional to 624,538.84, 861,865.74 and 338,058.84 is: 466,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,538.84 : 861,865.74 = 338,058.84 : x
  2. Step 2: Convert to fraction form
    624,538.84/861,865.74 = 338,058.84/x
  3. Step 3: Cross multiply
    624,538.84x = 861,865.74 × 338,058.84
  4. Step 4: Simplify right side
    624,538.84x = 291,361,332,300.14
  5. Step 5: Solve for x
    x = 291,361,332,300.14/624,538.84
  6. Step 6: Final answer
    x = 466,522.36

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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.