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Finding the Fourth Proportional to 557,777.21, 836,333.15 and 220,866.21

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Solution

The fourth proportional to 557,777.21, 836,333.15 and 220,866.21 is: 331,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,777.21 : 836,333.15 = 220,866.21 : x
  2. Step 2: Convert to fraction form
    557,777.21/836,333.15 = 220,866.21/x
  3. Step 3: Cross multiply
    557,777.21x = 836,333.15 × 220,866.21
  4. Step 4: Simplify right side
    557,777.21x = 184,717,732,033.53
  5. Step 5: Solve for x
    x = 184,717,732,033.53/557,777.21
  6. Step 6: Final answer
    x = 331,167.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.