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Finding the Fourth Proportional to 533,701.40, 800,552.10 and 218,384.60

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Solution

The fourth proportional to 533,701.40, 800,552.10 and 218,384.60 is: 327,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,701.40 : 800,552.10 = 218,384.60 : x
  2. Step 2: Convert to fraction form
    533,701.40/800,552.10 = 218,384.60/x
  3. Step 3: Cross multiply
    533,701.40x = 800,552.10 × 218,384.60
  4. Step 4: Simplify right side
    533,701.40x = 174,828,250,137.66
  5. Step 5: Solve for x
    x = 174,828,250,137.66/533,701.40
  6. Step 6: Final answer
    x = 327,576.90

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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.