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Finding the Fourth Proportional to 376,651.08, 519,697.62 and 223,740.83

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Solution

The fourth proportional to 376,651.08, 519,697.62 and 223,740.83 is: 308,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,651.08 : 519,697.62 = 223,740.83 : x
  2. Step 2: Convert to fraction form
    376,651.08/519,697.62 = 223,740.83/x
  3. Step 3: Cross multiply
    376,651.08x = 519,697.62 × 223,740.83
  4. Step 4: Simplify right side
    376,651.08x = 116,277,578,147.07
  5. Step 5: Solve for x
    x = 116,277,578,147.07/376,651.08
  6. Step 6: Final answer
    x = 308,714.31

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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.