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Finding the Fourth Proportional to 543,545.40, 750,067.62 and 301,843.44

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Solution

The fourth proportional to 543,545.40, 750,067.62 and 301,843.44 is: 416,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,545.40 : 750,067.62 = 301,843.44 : x
  2. Step 2: Convert to fraction form
    543,545.40/750,067.62 = 301,843.44/x
  3. Step 3: Cross multiply
    543,545.40x = 750,067.62 × 301,843.44
  4. Step 4: Simplify right side
    543,545.40x = 226,402,990,653.41
  5. Step 5: Solve for x
    x = 226,402,990,653.41/543,545.40
  6. Step 6: Final answer
    x = 416,530.05

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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.