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Finding the Fourth Proportional to 533,769.20, 801,107.40 and 218,452.40

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Solution

The fourth proportional to 533,769.20, 801,107.40 and 218,452.40 is: 327,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,769.20 : 801,107.40 = 218,452.40 : x
  2. Step 2: Convert to fraction form
    533,769.20/801,107.40 = 218,452.40/x
  3. Step 3: Cross multiply
    533,769.20x = 801,107.40 × 218,452.40
  4. Step 4: Simplify right side
    533,769.20x = 175,003,834,187.76
  5. Step 5: Solve for x
    x = 175,003,834,187.76/533,769.20
  6. Step 6: Final answer
    x = 327,864.24

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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.