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Finding the Fourth Proportional to 533,861.51, 800,862.73 and 197,138.84

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Solution

The fourth proportional to 533,861.51, 800,862.73 and 197,138.84 is: 295,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,861.51 : 800,862.73 = 197,138.84 : x
  2. Step 2: Convert to fraction form
    533,861.51/800,862.73 = 197,138.84/x
  3. Step 3: Cross multiply
    533,861.51x = 800,862.73 × 197,138.84
  4. Step 4: Simplify right side
    533,861.51x = 157,881,145,094.27
  5. Step 5: Solve for x
    x = 157,881,145,094.27/533,861.51
  6. Step 6: Final answer
    x = 295,734.27

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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.