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Finding the Fourth Proportional to 150,600.40, 225,900.60 and 38,280.40

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Solution

The fourth proportional to 150,600.40, 225,900.60 and 38,280.40 is: 57,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,600.40 : 225,900.60 = 38,280.40 : x
  2. Step 2: Convert to fraction form
    150,600.40/225,900.60 = 38,280.40/x
  3. Step 3: Cross multiply
    150,600.40x = 225,900.60 × 38,280.40
  4. Step 4: Simplify right side
    150,600.40x = 8,647,565,328.24
  5. Step 5: Solve for x
    x = 8,647,565,328.24/150,600.40
  6. Step 6: Final answer
    x = 57,420.60

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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.