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Finding the Fourth Proportional to 592,181.80, 888,963.90 and 339,663.40

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Solution

The fourth proportional to 592,181.80, 888,963.90 and 339,663.40 is: 509,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,181.80 : 888,963.90 = 339,663.40 : x
  2. Step 2: Convert to fraction form
    592,181.80/888,963.90 = 339,663.40/x
  3. Step 3: Cross multiply
    592,181.80x = 888,963.90 × 339,663.40
  4. Step 4: Simplify right side
    592,181.80x = 301,948,500,751.26
  5. Step 5: Solve for x
    x = 301,948,500,751.26/592,181.80
  6. Step 6: Final answer
    x = 509,891.56

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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.