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Finding the Fourth Proportional to 632,194.20, 948,291.30 and 628,257.60

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Solution

The fourth proportional to 632,194.20, 948,291.30 and 628,257.60 is: 942,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,194.20 : 948,291.30 = 628,257.60 : x
  2. Step 2: Convert to fraction form
    632,194.20/948,291.30 = 628,257.60/x
  3. Step 3: Cross multiply
    632,194.20x = 948,291.30 × 628,257.60
  4. Step 4: Simplify right side
    632,194.20x = 595,771,216,238.88
  5. Step 5: Solve for x
    x = 595,771,216,238.88/632,194.20
  6. Step 6: Final answer
    x = 942,386.40

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Half scale
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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.