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Finding the Fourth Proportional to 339,068.90, 508,732.95 and 333,755.30

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Solution

The fourth proportional to 339,068.90, 508,732.95 and 333,755.30 is: 500,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,068.90 : 508,732.95 = 333,755.30 : x
  2. Step 2: Convert to fraction form
    339,068.90/508,732.95 = 333,755.30/x
  3. Step 3: Cross multiply
    339,068.90x = 508,732.95 × 333,755.30
  4. Step 4: Simplify right side
    339,068.90x = 169,792,318,347.14
  5. Step 5: Solve for x
    x = 169,792,318,347.14/339,068.90
  6. Step 6: Final answer
    x = 500,760.52

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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.