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Finding the Fourth Proportional to 533,554.64, 800,333.33 and 218,011.55

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Solution

The fourth proportional to 533,554.64, 800,333.33 and 218,011.55 is: 327,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,554.64 : 800,333.33 = 218,011.55 : x
  2. Step 2: Convert to fraction form
    533,554.64/800,333.33 = 218,011.55/x
  3. Step 3: Cross multiply
    533,554.64x = 800,333.33 × 218,011.55
  4. Step 4: Simplify right side
    533,554.64x = 174,481,909,789.96
  5. Step 5: Solve for x
    x = 174,481,909,789.96/533,554.64
  6. Step 6: Final answer
    x = 327,017.88

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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.