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Finding the Fourth Proportional to 526,224.96, 789,344.76 and 171,240.96

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Solution

The fourth proportional to 526,224.96, 789,344.76 and 171,240.96 is: 256,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,224.96 : 789,344.76 = 171,240.96 : x
  2. Step 2: Convert to fraction form
    526,224.96/789,344.76 = 171,240.96/x
  3. Step 3: Cross multiply
    526,224.96x = 789,344.76 × 171,240.96
  4. Step 4: Simplify right side
    526,224.96x = 135,168,154,473.37
  5. Step 5: Solve for x
    x = 135,168,154,473.37/526,224.96
  6. Step 6: Final answer
    x = 256,863.82

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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.