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Finding the Fourth Proportional to 496,662.80, 745,007.88 and 181,354.64

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Solution

The fourth proportional to 496,662.80, 745,007.88 and 181,354.64 is: 272,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,662.80 : 745,007.88 = 181,354.64 : x
  2. Step 2: Convert to fraction form
    496,662.80/745,007.88 = 181,354.64/x
  3. Step 3: Cross multiply
    496,662.80x = 745,007.88 × 181,354.64
  4. Step 4: Simplify right side
    496,662.80x = 135,110,635,874.56
  5. Step 5: Solve for x
    x = 135,110,635,874.56/496,662.80
  6. Step 6: Final answer
    x = 272,036.96

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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.