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Finding the Fourth Proportional to 484,768.44, 668,972.46 and 283,598.52

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Solution

The fourth proportional to 484,768.44, 668,972.46 and 283,598.52 is: 391,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,768.44 : 668,972.46 = 283,598.52 : x
  2. Step 2: Convert to fraction form
    484,768.44/668,972.46 = 283,598.52/x
  3. Step 3: Cross multiply
    484,768.44x = 668,972.46 × 283,598.52
  4. Step 4: Simplify right side
    484,768.44x = 189,719,599,576.76
  5. Step 5: Solve for x
    x = 189,719,599,576.76/484,768.44
  6. Step 6: Final answer
    x = 391,361.28

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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.