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Finding the Fourth Proportional to 526,375.26, 789,628.50 and 171,293.94

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Solution

The fourth proportional to 526,375.26, 789,628.50 and 171,293.94 is: 256,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,375.26 : 789,628.50 = 171,293.94 : x
  2. Step 2: Convert to fraction form
    526,375.26/789,628.50 = 171,293.94/x
  3. Step 3: Cross multiply
    526,375.26x = 789,628.50 × 171,293.94
  4. Step 4: Simplify right side
    526,375.26x = 135,258,576,901.29
  5. Step 5: Solve for x
    x = 135,258,576,901.29/526,375.26
  6. Step 6: Final answer
    x = 256,962.26

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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.