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Finding the Fourth Proportional to 557,385.32, 836,299.50 and 178,364.44

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Solution

The fourth proportional to 557,385.32, 836,299.50 and 178,364.44 is: 267,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,385.32 : 836,299.50 = 178,364.44 : x
  2. Step 2: Convert to fraction form
    557,385.32/836,299.50 = 178,364.44/x
  3. Step 3: Cross multiply
    557,385.32x = 836,299.50 × 178,364.44
  4. Step 4: Simplify right side
    557,385.32x = 149,166,091,989.78
  5. Step 5: Solve for x
    x = 149,166,091,989.78/557,385.32
  6. Step 6: Final answer
    x = 267,617.55

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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.