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Finding the Fourth Proportional to 401,545.86, 601,135.37 and 351,723.26

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Solution

The fourth proportional to 401,545.86, 601,135.37 and 351,723.26 is: 526,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,545.86 : 601,135.37 = 351,723.26 : x
  2. Step 2: Convert to fraction form
    401,545.86/601,135.37 = 351,723.26/x
  3. Step 3: Cross multiply
    401,545.86x = 601,135.37 × 351,723.26
  4. Step 4: Simplify right side
    401,545.86x = 211,433,295,079.33
  5. Step 5: Solve for x
    x = 211,433,295,079.33/401,545.86
  6. Step 6: Final answer
    x = 526,548.32

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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.