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Finding the Fourth Proportional to 631,606.54, 945,712.14 and 481,130.02

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Solution

The fourth proportional to 631,606.54, 945,712.14 and 481,130.02 is: 720,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,606.54 : 945,712.14 = 481,130.02 : x
  2. Step 2: Convert to fraction form
    631,606.54/945,712.14 = 481,130.02/x
  3. Step 3: Cross multiply
    631,606.54x = 945,712.14 × 481,130.02
  4. Step 4: Simplify right side
    631,606.54x = 455,010,500,832.44
  5. Step 5: Solve for x
    x = 455,010,500,832.44/631,606.54
  6. Step 6: Final answer
    x = 720,401.82

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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.