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Finding the Fourth Proportional to 379,089.60, 522,954.60 and 226,019.82

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Solution

The fourth proportional to 379,089.60, 522,954.60 and 226,019.82 is: 311,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,089.60 : 522,954.60 = 226,019.82 : x
  2. Step 2: Convert to fraction form
    379,089.60/522,954.60 = 226,019.82/x
  3. Step 3: Cross multiply
    379,089.60x = 522,954.60 × 226,019.82
  4. Step 4: Simplify right side
    379,089.60x = 118,198,104,560.17
  5. Step 5: Solve for x
    x = 118,198,104,560.17/379,089.60
  6. Step 6: Final answer
    x = 311,794.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.