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Finding the Fourth Proportional to 307,807.96, 424,951.68 and 234,636.52

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Solution

The fourth proportional to 307,807.96, 424,951.68 and 234,636.52 is: 323,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,807.96 : 424,951.68 = 234,636.52 : x
  2. Step 2: Convert to fraction form
    307,807.96/424,951.68 = 234,636.52/x
  3. Step 3: Cross multiply
    307,807.96x = 424,951.68 × 234,636.52
  4. Step 4: Simplify right side
    307,807.96x = 99,709,183,363.35
  5. Step 5: Solve for x
    x = 99,709,183,363.35/307,807.96
  6. Step 6: Final answer
    x = 323,933.09

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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.