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Finding the Fourth Proportional to 376,183.92, 563,978.98 and 186,513.51

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Solution

The fourth proportional to 376,183.92, 563,978.98 and 186,513.51 is: 279,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,183.92 : 563,978.98 = 186,513.51 : x
  2. Step 2: Convert to fraction form
    376,183.92/563,978.98 = 186,513.51/x
  3. Step 3: Cross multiply
    376,183.92x = 563,978.98 × 186,513.51
  4. Step 4: Simplify right side
    376,183.92x = 105,189,699,126.02
  5. Step 5: Solve for x
    x = 105,189,699,126.02/376,183.92
  6. Step 6: Final answer
    x = 279,623.06

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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.