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Finding the Fourth Proportional to 533,790.95, 800,686.92 and 218,247.85

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Solution

The fourth proportional to 533,790.95, 800,686.92 and 218,247.85 is: 327,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,790.95 : 800,686.92 = 218,247.85 : x
  2. Step 2: Convert to fraction form
    533,790.95/800,686.92 = 218,247.85/x
  3. Step 3: Cross multiply
    533,790.95x = 800,686.92 × 218,247.85
  4. Step 4: Simplify right side
    533,790.95x = 174,748,200,632.41
  5. Step 5: Solve for x
    x = 174,748,200,632.41/533,790.95
  6. Step 6: Final answer
    x = 327,371.98

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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.