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Finding the Fourth Proportional to 625,863.58, 938,963.88 and 322,092.25

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Solution

The fourth proportional to 625,863.58, 938,963.88 and 322,092.25 is: 483,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,863.58 : 938,963.88 = 322,092.25 : x
  2. Step 2: Convert to fraction form
    625,863.58/938,963.88 = 322,092.25/x
  3. Step 3: Cross multiply
    625,863.58x = 938,963.88 × 322,092.25
  4. Step 4: Simplify right side
    625,863.58x = 302,432,986,430.52
  5. Step 5: Solve for x
    x = 302,432,986,430.52/625,863.58
  6. Step 6: Final answer
    x = 483,225.09

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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.