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Finding the Fourth Proportional to 417,266.89, 625,623.78 and 150,992.75

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Solution

The fourth proportional to 417,266.89, 625,623.78 and 150,992.75 is: 226,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,266.89 : 625,623.78 = 150,992.75 : x
  2. Step 2: Convert to fraction form
    417,266.89/625,623.78 = 150,992.75/x
  3. Step 3: Cross multiply
    417,266.89x = 625,623.78 × 150,992.75
  4. Step 4: Simplify right side
    417,266.89x = 94,464,655,007.60
  5. Step 5: Solve for x
    x = 94,464,655,007.60/417,266.89
  6. Step 6: Final answer
    x = 226,389.05

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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.