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Finding the Fourth Proportional to 699,559.91, 965,306.84 and 441,339.47

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Solution

The fourth proportional to 699,559.91, 965,306.84 and 441,339.47 is: 608,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,559.91 : 965,306.84 = 441,339.47 : x
  2. Step 2: Convert to fraction form
    699,559.91/965,306.84 = 441,339.47/x
  3. Step 3: Cross multiply
    699,559.91x = 965,306.84 × 441,339.47
  4. Step 4: Simplify right side
    699,559.91x = 426,028,002,119.74
  5. Step 5: Solve for x
    x = 426,028,002,119.74/699,559.91
  6. Step 6: Final answer
    x = 608,994.31

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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.