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Finding the Fourth Proportional to 543,621.30, 750,214.89 and 301,906.77

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Solution

The fourth proportional to 543,621.30, 750,214.89 and 301,906.77 is: 416,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,621.30 : 750,214.89 = 301,906.77 : x
  2. Step 2: Convert to fraction form
    543,621.30/750,214.89 = 301,906.77/x
  3. Step 3: Cross multiply
    543,621.30x = 750,214.89 × 301,906.77
  4. Step 4: Simplify right side
    543,621.30x = 226,494,954,245.81
  5. Step 5: Solve for x
    x = 226,494,954,245.81/543,621.30
  6. Step 6: Final answer
    x = 416,641.06

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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.