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Finding the Fourth Proportional to 534,655.73, 737,796.69 and 305,203.88

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Solution

The fourth proportional to 534,655.73, 737,796.69 and 305,203.88 is: 421,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,655.73 : 737,796.69 = 305,203.88 : x
  2. Step 2: Convert to fraction form
    534,655.73/737,796.69 = 305,203.88/x
  3. Step 3: Cross multiply
    534,655.73x = 737,796.69 × 305,203.88
  4. Step 4: Simplify right side
    534,655.73x = 225,178,408,750.17
  5. Step 5: Solve for x
    x = 225,178,408,750.17/534,655.73
  6. Step 6: Final answer
    x = 421,165.24

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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.