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Finding the Fourth Proportional to 557,694.72, 836,542.08 and 136,970.46

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Solution

The fourth proportional to 557,694.72, 836,542.08 and 136,970.46 is: 205,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,694.72 : 836,542.08 = 136,970.46 : x
  2. Step 2: Convert to fraction form
    557,694.72/836,542.08 = 136,970.46/x
  3. Step 3: Cross multiply
    557,694.72x = 836,542.08 × 136,970.46
  4. Step 4: Simplify right side
    557,694.72x = 114,581,553,506.96
  5. Step 5: Solve for x
    x = 114,581,553,506.96/557,694.72
  6. Step 6: Final answer
    x = 205,455.69

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Similar ratio
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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.