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Finding the Fourth Proportional to 517,279.49, 775,910.17 and 232,768.67

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Solution

The fourth proportional to 517,279.49, 775,910.17 and 232,768.67 is: 349,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,279.49 : 775,910.17 = 232,768.67 : x
  2. Step 2: Convert to fraction form
    517,279.49/775,910.17 = 232,768.67/x
  3. Step 3: Cross multiply
    517,279.49x = 775,910.17 × 232,768.67
  4. Step 4: Simplify right side
    517,279.49x = 180,607,578,892.30
  5. Step 5: Solve for x
    x = 180,607,578,892.30/517,279.49
  6. Step 6: Final answer
    x = 349,148.93

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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.