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Finding the Fourth Proportional to 526,509.67, 789,846.51 and 171,441.10

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Solution

The fourth proportional to 526,509.67, 789,846.51 and 171,441.10 is: 257,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,509.67 : 789,846.51 = 171,441.10 : x
  2. Step 2: Convert to fraction form
    526,509.67/789,846.51 = 171,441.10/x
  3. Step 3: Cross multiply
    526,509.67x = 789,846.51 × 171,441.10
  4. Step 4: Simplify right side
    526,509.67x = 135,412,154,505.56
  5. Step 5: Solve for x
    x = 135,412,154,505.56/526,509.67
  6. Step 6: Final answer
    x = 257,188.35

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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.