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Finding the Fourth Proportional to 617,489.75, 926,105.02 and 174,154.07

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Solution

The fourth proportional to 617,489.75, 926,105.02 and 174,154.07 is: 261,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,489.75 : 926,105.02 = 174,154.07 : x
  2. Step 2: Convert to fraction form
    617,489.75/926,105.02 = 174,154.07/x
  3. Step 3: Cross multiply
    617,489.75x = 926,105.02 × 174,154.07
  4. Step 4: Simplify right side
    617,489.75x = 161,284,952,979.14
  5. Step 5: Solve for x
    x = 161,284,952,979.14/617,489.75
  6. Step 6: Final answer
    x = 261,194.54

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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.