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Finding the Fourth Proportional to 504,144.36, 695,711.05 and 274,704.70

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Solution

The fourth proportional to 504,144.36, 695,711.05 and 274,704.70 is: 379,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,144.36 : 695,711.05 = 274,704.70 : x
  2. Step 2: Convert to fraction form
    504,144.36/695,711.05 = 274,704.70/x
  3. Step 3: Cross multiply
    504,144.36x = 695,711.05 × 274,704.70
  4. Step 4: Simplify right side
    504,144.36x = 191,115,095,276.94
  5. Step 5: Solve for x
    x = 191,115,095,276.94/504,144.36
  6. Step 6: Final answer
    x = 379,088.04

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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.