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Finding the Fourth Proportional to 474,033.33, 654,153.44 and 280,451.03

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Solution

The fourth proportional to 474,033.33, 654,153.44 and 280,451.03 is: 387,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,033.33 : 654,153.44 = 280,451.03 : x
  2. Step 2: Convert to fraction form
    474,033.33/654,153.44 = 280,451.03/x
  3. Step 3: Cross multiply
    474,033.33x = 654,153.44 × 280,451.03
  4. Step 4: Simplify right side
    474,033.33x = 183,458,001,353.02
  5. Step 5: Solve for x
    x = 183,458,001,353.02/474,033.33
  6. Step 6: Final answer
    x = 387,014.98

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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.