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Finding the Fourth Proportional to 552,086.58, 761,826.96 and 322,697.64

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Solution

The fourth proportional to 552,086.58, 761,826.96 and 322,697.64 is: 445,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,086.58 : 761,826.96 = 322,697.64 : x
  2. Step 2: Convert to fraction form
    552,086.58/761,826.96 = 322,697.64/x
  3. Step 3: Cross multiply
    552,086.58x = 761,826.96 × 322,697.64
  4. Step 4: Simplify right side
    552,086.58x = 245,839,762,080.37
  5. Step 5: Solve for x
    x = 245,839,762,080.37/552,086.58
  6. Step 6: Final answer
    x = 445,292.04

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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.