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Finding the Fourth Proportional to 534,655.59, 737,796.52 and 305,203.77

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Solution

The fourth proportional to 534,655.59, 737,796.52 and 305,203.77 is: 421,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,655.59 : 737,796.52 = 305,203.77 : x
  2. Step 2: Convert to fraction form
    534,655.59/737,796.52 = 305,203.77/x
  3. Step 3: Cross multiply
    534,655.59x = 737,796.52 × 305,203.77
  4. Step 4: Simplify right side
    534,655.59x = 225,178,279,396.88
  5. Step 5: Solve for x
    x = 225,178,279,396.88/534,655.59
  6. Step 6: Final answer
    x = 421,165.11

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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.