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Finding the Fourth Proportional to 480,251.80, 718,706.54 and 297,797.31

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Solution

The fourth proportional to 480,251.80, 718,706.54 and 297,797.31 is: 445,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,251.80 : 718,706.54 = 297,797.31 : x
  2. Step 2: Convert to fraction form
    480,251.80/718,706.54 = 297,797.31/x
  3. Step 3: Cross multiply
    480,251.80x = 718,706.54 × 297,797.31
  4. Step 4: Simplify right side
    480,251.80x = 214,028,875,343.68
  5. Step 5: Solve for x
    x = 214,028,875,343.68/480,251.80
  6. Step 6: Final answer
    x = 445,659.71

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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.