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Finding the Fourth Proportional to 483,134.84, 666,787.60 and 292,149.60

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Solution

The fourth proportional to 483,134.84, 666,787.60 and 292,149.60 is: 403,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,134.84 : 666,787.60 = 292,149.60 : x
  2. Step 2: Convert to fraction form
    483,134.84/666,787.60 = 292,149.60/x
  3. Step 3: Cross multiply
    483,134.84x = 666,787.60 × 292,149.60
  4. Step 4: Simplify right side
    483,134.84x = 194,801,730,624.96
  5. Step 5: Solve for x
    x = 194,801,730,624.96/483,134.84
  6. Step 6: Final answer
    x = 403,203.65

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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.