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Finding the Fourth Proportional to 307,788.83, 424,925.27 and 234,617.27

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Solution

The fourth proportional to 307,788.83, 424,925.27 and 234,617.27 is: 323,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,788.83 : 424,925.27 = 234,617.27 : x
  2. Step 2: Convert to fraction form
    307,788.83/424,925.27 = 234,617.27/x
  3. Step 3: Cross multiply
    307,788.83x = 424,925.27 × 234,617.27
  4. Step 4: Simplify right side
    307,788.83x = 99,694,803,503.70
  5. Step 5: Solve for x
    x = 99,694,803,503.70/307,788.83
  6. Step 6: Final answer
    x = 323,906.51

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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.