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Finding the Fourth Proportional to 517,017.74, 775,663.29 and 236,469.38

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Solution

The fourth proportional to 517,017.74, 775,663.29 and 236,469.38 is: 354,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,017.74 : 775,663.29 = 236,469.38 : x
  2. Step 2: Convert to fraction form
    517,017.74/775,663.29 = 236,469.38/x
  3. Step 3: Cross multiply
    517,017.74x = 775,663.29 × 236,469.38
  4. Step 4: Simplify right side
    517,017.74x = 183,420,613,396.74
  5. Step 5: Solve for x
    x = 183,420,613,396.74/517,017.74
  6. Step 6: Final answer
    x = 354,766.58

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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.