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Finding the Fourth Proportional to 414,655.43, 572,081.28 and 251,364.29

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Solution

The fourth proportional to 414,655.43, 572,081.28 and 251,364.29 is: 346,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,655.43 : 572,081.28 = 251,364.29 : x
  2. Step 2: Convert to fraction form
    414,655.43/572,081.28 = 251,364.29/x
  3. Step 3: Cross multiply
    414,655.43x = 572,081.28 × 251,364.29
  4. Step 4: Simplify right side
    414,655.43x = 143,800,801,909.09
  5. Step 5: Solve for x
    x = 143,800,801,909.09/414,655.43
  6. Step 6: Final answer
    x = 346,795.90

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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.