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Finding the Fourth Proportional to 339,339.34, 508,924.94 and 114,694.82

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Solution

The fourth proportional to 339,339.34, 508,924.94 and 114,694.82 is: 172,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,339.34 : 508,924.94 = 114,694.82 : x
  2. Step 2: Convert to fraction form
    339,339.34/508,924.94 = 114,694.82/x
  3. Step 3: Cross multiply
    339,339.34x = 508,924.94 × 114,694.82
  4. Step 4: Simplify right side
    339,339.34x = 58,371,054,386.81
  5. Step 5: Solve for x
    x = 58,371,054,386.81/339,339.34
  6. Step 6: Final answer
    x = 172,013.81

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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.