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Finding the Fourth Proportional to 534,654.59, 737,795.14 and 305,202.77

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Solution

The fourth proportional to 534,654.59, 737,795.14 and 305,202.77 is: 421,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,654.59 : 737,795.14 = 305,202.77 : x
  2. Step 2: Convert to fraction form
    534,654.59/737,795.14 = 305,202.77/x
  3. Step 3: Cross multiply
    534,654.59x = 737,795.14 × 305,202.77
  4. Step 4: Simplify right side
    534,654.59x = 225,177,115,968.56
  5. Step 5: Solve for x
    x = 225,177,115,968.56/534,654.59
  6. Step 6: Final answer
    x = 421,163.72

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1.5x scale

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.