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Finding the Fourth Proportional to 307,796.69, 424,936.13 and 234,625.14

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Solution

The fourth proportional to 307,796.69, 424,936.13 and 234,625.14 is: 323,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,796.69 : 424,936.13 = 234,625.14 : x
  2. Step 2: Convert to fraction form
    307,796.69/424,936.13 = 234,625.14/x
  3. Step 3: Cross multiply
    307,796.69x = 424,936.13 × 234,625.14
  4. Step 4: Simplify right side
    307,796.69x = 99,700,697,819.18
  5. Step 5: Solve for x
    x = 99,700,697,819.18/307,796.69
  6. Step 6: Final answer
    x = 323,917.38

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1.5x scale

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.