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Finding the Fourth Proportional to 339,309.08, 508,897.96 and 102,596.28

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Solution

The fourth proportional to 339,309.08, 508,897.96 and 102,596.28 is: 153,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,309.08 : 508,897.96 = 102,596.28 : x
  2. Step 2: Convert to fraction form
    339,309.08/508,897.96 = 102,596.28/x
  3. Step 3: Cross multiply
    339,309.08x = 508,897.96 × 102,596.28
  4. Step 4: Simplify right side
    339,309.08x = 52,211,037,595.59
  5. Step 5: Solve for x
    x = 52,211,037,595.59/339,309.08
  6. Step 6: Final answer
    x = 153,874.57

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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.