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Finding the Fourth Proportional to 548,879.40, 823,319.10 and 282,551.40

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Solution

The fourth proportional to 548,879.40, 823,319.10 and 282,551.40 is: 423,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,879.40 : 823,319.10 = 282,551.40 : x
  2. Step 2: Convert to fraction form
    548,879.40/823,319.10 = 282,551.40/x
  3. Step 3: Cross multiply
    548,879.40x = 823,319.10 × 282,551.40
  4. Step 4: Simplify right side
    548,879.40x = 232,629,964,351.74
  5. Step 5: Solve for x
    x = 232,629,964,351.74/548,879.40
  6. Step 6: Final answer
    x = 423,827.10

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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.