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Finding the Fourth Proportional to 361,900.60, 542,850.90 and 162,008.80

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Solution

The fourth proportional to 361,900.60, 542,850.90 and 162,008.80 is: 243,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,900.60 : 542,850.90 = 162,008.80 : x
  2. Step 2: Convert to fraction form
    361,900.60/542,850.90 = 162,008.80/x
  3. Step 3: Cross multiply
    361,900.60x = 542,850.90 × 162,008.80
  4. Step 4: Simplify right side
    361,900.60x = 87,946,622,887.92
  5. Step 5: Solve for x
    x = 87,946,622,887.92/361,900.60
  6. Step 6: Final answer
    x = 243,013.20

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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.