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Finding the Fourth Proportional to 543,924.02, 750,628.24 and 302,216.78

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Solution

The fourth proportional to 543,924.02, 750,628.24 and 302,216.78 is: 417,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,924.02 : 750,628.24 = 302,216.78 : x
  2. Step 2: Convert to fraction form
    543,924.02/750,628.24 = 302,216.78/x
  3. Step 3: Cross multiply
    543,924.02x = 750,628.24 × 302,216.78
  4. Step 4: Simplify right side
    543,924.02x = 226,852,449,669.87
  5. Step 5: Solve for x
    x = 226,852,449,669.87/543,924.02
  6. Step 6: Final answer
    x = 417,066.43

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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.