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Finding the Fourth Proportional to 533,945.20, 800,892.78 and 154,854.40

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Solution

The fourth proportional to 533,945.20, 800,892.78 and 154,854.40 is: 232,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,945.20 : 800,892.78 = 154,854.40 : x
  2. Step 2: Convert to fraction form
    533,945.20/800,892.78 = 154,854.40/x
  3. Step 3: Cross multiply
    533,945.20x = 800,892.78 × 154,854.40
  4. Step 4: Simplify right side
    533,945.20x = 124,021,770,911.23
  5. Step 5: Solve for x
    x = 124,021,770,911.23/533,945.20
  6. Step 6: Final answer
    x = 232,274.34

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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.