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Finding the Fourth Proportional to 533,554.55, 800,333.19 and 218,011.45

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Solution

The fourth proportional to 533,554.55, 800,333.19 and 218,011.45 is: 327,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,554.55 : 800,333.19 = 218,011.45 : x
  2. Step 2: Convert to fraction form
    533,554.55/800,333.19 = 218,011.45/x
  3. Step 3: Cross multiply
    533,554.55x = 800,333.19 × 218,011.45
  4. Step 4: Simplify right side
    533,554.55x = 174,481,800,690.83
  5. Step 5: Solve for x
    x = 174,481,800,690.83/533,554.55
  6. Step 6: Final answer
    x = 327,017.74

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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.