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Finding the Fourth Proportional to 339,577.92, 508,666.96 and 198,910.08

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Solution

The fourth proportional to 339,577.92, 508,666.96 and 198,910.08 is: 297,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,577.92 : 508,666.96 = 198,910.08 : x
  2. Step 2: Convert to fraction form
    339,577.92/508,666.96 = 198,910.08/x
  3. Step 3: Cross multiply
    339,577.92x = 508,666.96 × 198,910.08
  4. Step 4: Simplify right side
    339,577.92x = 101,178,985,706.96
  5. Step 5: Solve for x
    x = 101,178,985,706.96/339,577.92
  6. Step 6: Final answer
    x = 297,955.14

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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.