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Finding the Fourth Proportional to 550,733.87, 825,913.72 and 190,820.73

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Solution

The fourth proportional to 550,733.87, 825,913.72 and 190,820.73 is: 286,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,733.87 : 825,913.72 = 190,820.73 : x
  2. Step 2: Convert to fraction form
    550,733.87/825,913.72 = 190,820.73/x
  3. Step 3: Cross multiply
    550,733.87x = 825,913.72 × 190,820.73
  4. Step 4: Simplify right side
    550,733.87x = 157,601,458,967.42
  5. Step 5: Solve for x
    x = 157,601,458,967.42/550,733.87
  6. Step 6: Final answer
    x = 286,166.27

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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.