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Finding the Fourth Proportional to 513,759.15, 708,519.33 and 441,139.37

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Solution

The fourth proportional to 513,759.15, 708,519.33 and 441,139.37 is: 608,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,759.15 : 708,519.33 = 441,139.37 : x
  2. Step 2: Convert to fraction form
    513,759.15/708,519.33 = 441,139.37/x
  3. Step 3: Cross multiply
    513,759.15x = 708,519.33 × 441,139.37
  4. Step 4: Simplify right side
    513,759.15x = 312,555,767,326.43
  5. Step 5: Solve for x
    x = 312,555,767,326.43/513,759.15
  6. Step 6: Final answer
    x = 608,370.22

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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.