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Finding the Fourth Proportional to 339,957.70, 509,936.55 and 337,884.10

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Solution

The fourth proportional to 339,957.70, 509,936.55 and 337,884.10 is: 506,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,957.70 : 509,936.55 = 337,884.10 : x
  2. Step 2: Convert to fraction form
    339,957.70/509,936.55 = 337,884.10/x
  3. Step 3: Cross multiply
    339,957.70x = 509,936.55 × 337,884.10
  4. Step 4: Simplify right side
    339,957.70x = 172,299,452,253.86
  5. Step 5: Solve for x
    x = 172,299,452,253.86/339,957.70
  6. Step 6: Final answer
    x = 506,826.15

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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.