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Finding the Fourth Proportional to 594,186.38, 819,978.55 and 339,536.96

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Solution

The fourth proportional to 594,186.38, 819,978.55 and 339,536.96 is: 468,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,186.38 : 819,978.55 = 339,536.96 : x
  2. Step 2: Convert to fraction form
    594,186.38/819,978.55 = 339,536.96/x
  3. Step 3: Cross multiply
    594,186.38x = 819,978.55 × 339,536.96
  4. Step 4: Simplify right side
    594,186.38x = 278,413,019,183.47
  5. Step 5: Solve for x
    x = 278,413,019,183.47/594,186.38
  6. Step 6: Final answer
    x = 468,561.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.