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Finding the Fourth Proportional to 543,847.51, 750,629.60 and 302,213.17

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Solution

The fourth proportional to 543,847.51, 750,629.60 and 302,213.17 is: 417,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,847.51 : 750,629.60 = 302,213.17 : x
  2. Step 2: Convert to fraction form
    543,847.51/750,629.60 = 302,213.17/x
  3. Step 3: Cross multiply
    543,847.51x = 750,629.60 × 302,213.17
  4. Step 4: Simplify right side
    543,847.51x = 226,850,150,911.83
  5. Step 5: Solve for x
    x = 226,850,150,911.83/543,847.51
  6. Step 6: Final answer
    x = 417,120.88

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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.