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Finding the Fourth Proportional to 506,736.44, 760,222.92 and 146,914.79

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Solution

The fourth proportional to 506,736.44, 760,222.92 and 146,914.79 is: 220,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,736.44 : 760,222.92 = 146,914.79 : x
  2. Step 2: Convert to fraction form
    506,736.44/760,222.92 = 146,914.79/x
  3. Step 3: Cross multiply
    506,736.44x = 760,222.92 × 146,914.79
  4. Step 4: Simplify right side
    506,736.44x = 111,687,986,843.87
  5. Step 5: Solve for x
    x = 111,687,986,843.87/506,736.44
  6. Step 6: Final answer
    x = 220,406.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.