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Finding the Fourth Proportional to 339,342.34, 508,929.44 and 114,697.82

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Solution

The fourth proportional to 339,342.34, 508,929.44 and 114,697.82 is: 172,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,342.34 : 508,929.44 = 114,697.82 : x
  2. Step 2: Convert to fraction form
    339,342.34/508,929.44 = 114,697.82/x
  3. Step 3: Cross multiply
    339,342.34x = 508,929.44 × 114,697.82
  4. Step 4: Simplify right side
    339,342.34x = 58,373,097,301.82
  5. Step 5: Solve for x
    x = 58,373,097,301.82/339,342.34
  6. Step 6: Final answer
    x = 172,018.31

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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.