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Finding the Fourth Proportional to 526,535.77, 789,652.99 and 171,580.81

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Solution

The fourth proportional to 526,535.77, 789,652.99 and 171,580.81 is: 257,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,535.77 : 789,652.99 = 171,580.81 : x
  2. Step 2: Convert to fraction form
    526,535.77/789,652.99 = 171,580.81/x
  3. Step 3: Cross multiply
    526,535.77x = 789,652.99 × 171,580.81
  4. Step 4: Simplify right side
    526,535.77x = 135,489,297,240.04
  5. Step 5: Solve for x
    x = 135,489,297,240.04/526,535.77
  6. Step 6: Final answer
    x = 257,322.11

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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.