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Finding the Fourth Proportional to 343,573.68, 474,034.77 and 222,720.06

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Solution

The fourth proportional to 343,573.68, 474,034.77 and 222,720.06 is: 307,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,573.68 : 474,034.77 = 222,720.06 : x
  2. Step 2: Convert to fraction form
    343,573.68/474,034.77 = 222,720.06/x
  3. Step 3: Cross multiply
    343,573.68x = 474,034.77 × 222,720.06
  4. Step 4: Simplify right side
    343,573.68x = 105,577,052,416.49
  5. Step 5: Solve for x
    x = 105,577,052,416.49/343,573.68
  6. Step 6: Final answer
    x = 307,290.86

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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.