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Finding the Fourth Proportional to 504,529.13, 696,255.62 and 275,084.57

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Solution

The fourth proportional to 504,529.13, 696,255.62 and 275,084.57 is: 379,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,529.13 : 696,255.62 = 275,084.57 : x
  2. Step 2: Convert to fraction form
    504,529.13/696,255.62 = 275,084.57/x
  3. Step 3: Cross multiply
    504,529.13x = 696,255.62 × 275,084.57
  4. Step 4: Simplify right side
    504,529.13x = 191,529,172,981.08
  5. Step 5: Solve for x
    x = 191,529,172,981.08/504,529.13
  6. Step 6: Final answer
    x = 379,619.66

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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.