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Finding the Fourth Proportional to 379,606.17, 523,862.73 and 226,657.72

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Solution

The fourth proportional to 379,606.17, 523,862.73 and 226,657.72 is: 312,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,606.17 : 523,862.73 = 226,657.72 : x
  2. Step 2: Convert to fraction form
    379,606.17/523,862.73 = 226,657.72/x
  3. Step 3: Cross multiply
    379,606.17x = 523,862.73 × 226,657.72
  4. Step 4: Simplify right side
    379,606.17x = 118,737,533,267.08
  5. Step 5: Solve for x
    x = 118,737,533,267.08/379,606.17
  6. Step 6: Final answer
    x = 312,791.37

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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.