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Finding the Fourth Proportional to 533,717.10, 800,576.46 and 134,357.94

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Solution

The fourth proportional to 533,717.10, 800,576.46 and 134,357.94 is: 201,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,717.10 : 800,576.46 = 134,357.94 : x
  2. Step 2: Convert to fraction form
    533,717.10/800,576.46 = 134,357.94/x
  3. Step 3: Cross multiply
    533,717.10x = 800,576.46 × 134,357.94
  4. Step 4: Simplify right side
    533,717.10x = 107,563,803,978.09
  5. Step 5: Solve for x
    x = 107,563,803,978.09/533,717.10
  6. Step 6: Final answer
    x = 201,537.11

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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.