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Finding the Fourth Proportional to 542,830.60, 814,245.90 and 262,894.60

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Solution

The fourth proportional to 542,830.60, 814,245.90 and 262,894.60 is: 394,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,830.60 : 814,245.90 = 262,894.60 : x
  2. Step 2: Convert to fraction form
    542,830.60/814,245.90 = 262,894.60/x
  3. Step 3: Cross multiply
    542,830.60x = 814,245.90 × 262,894.60
  4. Step 4: Simplify right side
    542,830.60x = 214,060,850,182.14
  5. Step 5: Solve for x
    x = 214,060,850,182.14/542,830.60
  6. Step 6: Final answer
    x = 394,341.90

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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.