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Finding the Fourth Proportional to 339,211.68, 508,835.52 and 102,548.32

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Solution

The fourth proportional to 339,211.68, 508,835.52 and 102,548.32 is: 153,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,211.68 : 508,835.52 = 102,548.32 : x
  2. Step 2: Convert to fraction form
    339,211.68/508,835.52 = 102,548.32/x
  3. Step 3: Cross multiply
    339,211.68x = 508,835.52 × 102,548.32
  4. Step 4: Simplify right side
    339,211.68x = 52,180,227,732.33
  5. Step 5: Solve for x
    x = 52,180,227,732.33/339,211.68
  6. Step 6: Final answer
    x = 153,827.92

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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.