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Finding the Fourth Proportional to 484,000.32, 667,822.08 and 282,757.44

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Solution

The fourth proportional to 484,000.32, 667,822.08 and 282,757.44 is: 390,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,000.32 : 667,822.08 = 282,757.44 : x
  2. Step 2: Convert to fraction form
    484,000.32/667,822.08 = 282,757.44/x
  3. Step 3: Cross multiply
    484,000.32x = 667,822.08 × 282,757.44
  4. Step 4: Simplify right side
    484,000.32x = 188,831,661,716.28
  5. Step 5: Solve for x
    x = 188,831,661,716.28/484,000.32
  6. Step 6: Final answer
    x = 390,147.80

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1.5x scale

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.