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Finding the Fourth Proportional to 533,728.16, 800,370.72 and 196,788.08

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Solution

The fourth proportional to 533,728.16, 800,370.72 and 196,788.08 is: 295,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,728.16 : 800,370.72 = 196,788.08 : x
  2. Step 2: Convert to fraction form
    533,728.16/800,370.72 = 196,788.08/x
  3. Step 3: Cross multiply
    533,728.16x = 800,370.72 × 196,788.08
  4. Step 4: Simplify right side
    533,728.16x = 157,503,417,277.02
  5. Step 5: Solve for x
    x = 157,503,417,277.02/533,728.16
  6. Step 6: Final answer
    x = 295,100.44

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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.