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Finding the Fourth Proportional to 534,507.73, 737,632.58 and 305,060.45

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Solution

The fourth proportional to 534,507.73, 737,632.58 and 305,060.45 is: 420,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,507.73 : 737,632.58 = 305,060.45 : x
  2. Step 2: Convert to fraction form
    534,507.73/737,632.58 = 305,060.45/x
  3. Step 3: Cross multiply
    534,507.73x = 737,632.58 × 305,060.45
  4. Step 4: Simplify right side
    534,507.73x = 225,022,521,576.00
  5. Step 5: Solve for x
    x = 225,022,521,576.00/534,507.73
  6. Step 6: Final answer
    x = 420,990.21

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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.