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Finding the Fourth Proportional to 483,095.60, 723,768.60 and 413,111.60

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Solution

The fourth proportional to 483,095.60, 723,768.60 and 413,111.60 is: 618,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,095.60 : 723,768.60 = 413,111.60 : x
  2. Step 2: Convert to fraction form
    483,095.60/723,768.60 = 413,111.60/x
  3. Step 3: Cross multiply
    483,095.60x = 723,768.60 × 413,111.60
  4. Step 4: Simplify right side
    483,095.60x = 298,997,204,375.76
  5. Step 5: Solve for x
    x = 298,997,204,375.76/483,095.60
  6. Step 6: Final answer
    x = 618,919.33

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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.