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Finding the Fourth Proportional to 533,554.71, 800,273.12 and 134,195.64

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Solution

The fourth proportional to 533,554.71, 800,273.12 and 134,195.64 is: 201,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,554.71 : 800,273.12 = 134,195.64 : x
  2. Step 2: Convert to fraction form
    533,554.71/800,273.12 = 134,195.64/x
  3. Step 3: Cross multiply
    533,554.71x = 800,273.12 × 134,195.64
  4. Step 4: Simplify right side
    533,554.71x = 107,393,163,848.69
  5. Step 5: Solve for x
    x = 107,393,163,848.69/533,554.71
  6. Step 6: Final answer
    x = 201,278.64

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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.