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Finding the Fourth Proportional to 537,379.80, 804,903.30 and 444,067.80

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Solution

The fourth proportional to 537,379.80, 804,903.30 and 444,067.80 is: 665,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,379.80 : 804,903.30 = 444,067.80 : x
  2. Step 2: Convert to fraction form
    537,379.80/804,903.30 = 444,067.80/x
  3. Step 3: Cross multiply
    537,379.80x = 804,903.30 × 444,067.80
  4. Step 4: Simplify right side
    537,379.80x = 357,431,637,643.74
  5. Step 5: Solve for x
    x = 357,431,637,643.74/537,379.80
  6. Step 6: Final answer
    x = 665,137.84

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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.