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Finding the Fourth Proportional to 350,218.31, 522,425.53 and 339,893.96

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Solution

The fourth proportional to 350,218.31, 522,425.53 and 339,893.96 is: 507,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,218.31 : 522,425.53 = 339,893.96 : x
  2. Step 2: Convert to fraction form
    350,218.31/522,425.53 = 339,893.96/x
  3. Step 3: Cross multiply
    350,218.31x = 522,425.53 × 339,893.96
  4. Step 4: Simplify right side
    350,218.31x = 177,569,280,694.03
  5. Step 5: Solve for x
    x = 177,569,280,694.03/350,218.31
  6. Step 6: Final answer
    x = 507,024.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.