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Finding the Fourth Proportional to 344,479.64, 516,731.27 and 119,842.07

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Solution

The fourth proportional to 344,479.64, 516,731.27 and 119,842.07 is: 179,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,479.64 : 516,731.27 = 119,842.07 : x
  2. Step 2: Convert to fraction form
    344,479.64/516,731.27 = 119,842.07/x
  3. Step 3: Cross multiply
    344,479.64x = 516,731.27 × 119,842.07
  4. Step 4: Simplify right side
    344,479.64x = 61,926,141,847.66
  5. Step 5: Solve for x
    x = 61,926,141,847.66/344,479.64
  6. Step 6: Final answer
    x = 179,767.21

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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.