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Finding the Fourth Proportional to 548,658.36, 822,904.37 and 149,330.25

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Solution

The fourth proportional to 548,658.36, 822,904.37 and 149,330.25 is: 223,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,658.36 : 822,904.37 = 149,330.25 : x
  2. Step 2: Convert to fraction form
    548,658.36/822,904.37 = 149,330.25/x
  3. Step 3: Cross multiply
    548,658.36x = 822,904.37 × 149,330.25
  4. Step 4: Simplify right side
    548,658.36x = 122,884,514,551.54
  5. Step 5: Solve for x
    x = 122,884,514,551.54/548,658.36
  6. Step 6: Final answer
    x = 223,972.74

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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.