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Finding the Fourth Proportional to 557,273.41, 835,910.10 and 136,545.64

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Solution

The fourth proportional to 557,273.41, 835,910.10 and 136,545.64 is: 204,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,273.41 : 835,910.10 = 136,545.64 : x
  2. Step 2: Convert to fraction form
    557,273.41/835,910.10 = 136,545.64/x
  3. Step 3: Cross multiply
    557,273.41x = 835,910.10 × 136,545.64
  4. Step 4: Simplify right side
    557,273.41x = 114,139,879,586.96
  5. Step 5: Solve for x
    x = 114,139,879,586.96/557,273.41
  6. Step 6: Final answer
    x = 204,818.46

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Double scale
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Similar ratio
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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.