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Finding the Fourth Proportional to 550,187.75, 825,519.21 and 297,646.15

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Solution

The fourth proportional to 550,187.75, 825,519.21 and 297,646.15 is: 446,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,187.75 : 825,519.21 = 297,646.15 : x
  2. Step 2: Convert to fraction form
    550,187.75/825,519.21 = 297,646.15/x
  3. Step 3: Cross multiply
    550,187.75x = 825,519.21 × 297,646.15
  4. Step 4: Simplify right side
    550,187.75x = 245,712,614,607.54
  5. Step 5: Solve for x
    x = 245,712,614,607.54/550,187.75
  6. Step 6: Final answer
    x = 446,597.76

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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.