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Finding the Fourth Proportional to 632,626.80, 948,940.20 and 258,562.32

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Solution

The fourth proportional to 632,626.80, 948,940.20 and 258,562.32 is: 387,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,626.80 : 948,940.20 = 258,562.32 : x
  2. Step 2: Convert to fraction form
    632,626.80/948,940.20 = 258,562.32/x
  3. Step 3: Cross multiply
    632,626.80x = 948,940.20 × 258,562.32
  4. Step 4: Simplify right side
    632,626.80x = 245,360,179,653.26
  5. Step 5: Solve for x
    x = 245,360,179,653.26/632,626.80
  6. Step 6: Final answer
    x = 387,843.48

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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.