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Finding the Fourth Proportional to 484,722.51, 727,192.79 and 147,797.22

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Solution

The fourth proportional to 484,722.51, 727,192.79 and 147,797.22 is: 221,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,722.51 : 727,192.79 = 147,797.22 : x
  2. Step 2: Convert to fraction form
    484,722.51/727,192.79 = 147,797.22/x
  3. Step 3: Cross multiply
    484,722.51x = 727,192.79 × 147,797.22
  4. Step 4: Simplify right side
    484,722.51x = 107,477,073,135.54
  5. Step 5: Solve for x
    x = 107,477,073,135.54/484,722.51
  6. Step 6: Final answer
    x = 221,729.07

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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.