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Finding the Fourth Proportional to 379,360.94, 523,473.30 and 226,370.77

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Solution

The fourth proportional to 379,360.94, 523,473.30 and 226,370.77 is: 312,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,360.94 : 523,473.30 = 226,370.77 : x
  2. Step 2: Convert to fraction form
    379,360.94/523,473.30 = 226,370.77/x
  3. Step 3: Cross multiply
    379,360.94x = 523,473.30 × 226,370.77
  4. Step 4: Simplify right side
    379,360.94x = 118,499,052,686.76
  5. Step 5: Solve for x
    x = 118,499,052,686.76/379,360.94
  6. Step 6: Final answer
    x = 312,364.93

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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.