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Finding the Fourth Proportional to 293,849.82, 440,779.59 and 83,479.86

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Solution

The fourth proportional to 293,849.82, 440,779.59 and 83,479.86 is: 125,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,849.82 : 440,779.59 = 83,479.86 : x
  2. Step 2: Convert to fraction form
    293,849.82/440,779.59 = 83,479.86/x
  3. Step 3: Cross multiply
    293,849.82x = 440,779.59 × 83,479.86
  4. Step 4: Simplify right side
    293,849.82x = 36,796,218,464.06
  5. Step 5: Solve for x
    x = 36,796,218,464.06/293,849.82
  6. Step 6: Final answer
    x = 125,221.17

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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.