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Finding the Fourth Proportional to 344,586.60, 516,668.22 and 133,979.04

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Solution

The fourth proportional to 344,586.60, 516,668.22 and 133,979.04 is: 200,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,586.60 : 516,668.22 = 133,979.04 : x
  2. Step 2: Convert to fraction form
    344,586.60/516,668.22 = 133,979.04/x
  3. Step 3: Cross multiply
    344,586.60x = 516,668.22 × 133,979.04
  4. Step 4: Simplify right side
    344,586.60x = 69,222,712,114.11
  5. Step 5: Solve for x
    x = 69,222,712,114.11/344,586.60
  6. Step 6: Final answer
    x = 200,886.26

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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.