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Finding the Fourth Proportional to 234,428.84, 323,510.73 and 126,998.54

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Solution

The fourth proportional to 234,428.84, 323,510.73 and 126,998.54 is: 175,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,428.84 : 323,510.73 = 126,998.54 : x
  2. Step 2: Convert to fraction form
    234,428.84/323,510.73 = 126,998.54/x
  3. Step 3: Cross multiply
    234,428.84x = 323,510.73 × 126,998.54
  4. Step 4: Simplify right side
    234,428.84x = 41,085,390,384.33
  5. Step 5: Solve for x
    x = 41,085,390,384.33/234,428.84
  6. Step 6: Final answer
    x = 175,257.41

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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.