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Finding the Fourth Proportional to 379,087.60, 522,951.84 and 226,017.84

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Solution

The fourth proportional to 379,087.60, 522,951.84 and 226,017.84 is: 311,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,087.60 : 522,951.84 = 226,017.84 : x
  2. Step 2: Convert to fraction form
    379,087.60/522,951.84 = 226,017.84/x
  3. Step 3: Cross multiply
    379,087.60x = 522,951.84 × 226,017.84
  4. Step 4: Simplify right side
    379,087.60x = 118,196,445,300.83
  5. Step 5: Solve for x
    x = 118,196,445,300.83/379,087.60
  6. Step 6: Final answer
    x = 311,791.91

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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.