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Finding the Fourth Proportional to 591,172.77, 886,758.74 and 191,813.55

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Solution

The fourth proportional to 591,172.77, 886,758.74 and 191,813.55 is: 287,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,172.77 : 886,758.74 = 191,813.55 : x
  2. Step 2: Convert to fraction form
    591,172.77/886,758.74 = 191,813.55/x
  3. Step 3: Cross multiply
    591,172.77x = 886,758.74 × 191,813.55
  4. Step 4: Simplify right side
    591,172.77x = 170,092,341,912.93
  5. Step 5: Solve for x
    x = 170,092,341,912.93/591,172.77
  6. Step 6: Final answer
    x = 287,720.19

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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.