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Finding the Fourth Proportional to 484,761.16, 667,486.74 and 483,361.48

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Solution

The fourth proportional to 484,761.16, 667,486.74 and 483,361.48 is: 665,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,761.16 : 667,486.74 = 483,361.48 : x
  2. Step 2: Convert to fraction form
    484,761.16/667,486.74 = 483,361.48/x
  3. Step 3: Cross multiply
    484,761.16x = 667,486.74 × 483,361.48
  4. Step 4: Simplify right side
    484,761.16x = 322,637,378,526.78
  5. Step 5: Solve for x
    x = 322,637,378,526.78/484,761.16
  6. Step 6: Final answer
    x = 665,559.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.