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Finding the Fourth Proportional to 695,186, 959,356.68 and 377,234

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Solution

The fourth proportional to 695,186, 959,356.68 and 377,234 is: 520,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,186 : 959,356.68 = 377,234 : x
  2. Step 2: Convert to fraction form
    695,186/959,356.68 = 377,234/x
  3. Step 3: Cross multiply
    695,186x = 959,356.68 × 377,234
  4. Step 4: Simplify right side
    695,186x = 361,901,957,823.12
  5. Step 5: Solve for x
    x = 361,901,957,823.12/695,186
  6. Step 6: Final answer
    x = 520,582.92

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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.