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Finding the Fourth Proportional to 631,584.54, 945,679.16 and 481,108.01

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Solution

The fourth proportional to 631,584.54, 945,679.16 and 481,108.01 is: 720,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,584.54 : 945,679.16 = 481,108.01 : x
  2. Step 2: Convert to fraction form
    631,584.54/945,679.16 = 481,108.01/x
  3. Step 3: Cross multiply
    631,584.54x = 945,679.16 × 481,108.01
  4. Step 4: Simplify right side
    631,584.54x = 454,973,811,632.14
  5. Step 5: Solve for x
    x = 454,973,811,632.14/631,584.54
  6. Step 6: Final answer
    x = 720,368.82

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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.