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Finding the Fourth Proportional to 504,143.23, 695,708.86 and 274,702.44

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Solution

The fourth proportional to 504,143.23, 695,708.86 and 274,702.44 is: 379,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,143.23 : 695,708.86 = 274,702.44 : x
  2. Step 2: Convert to fraction form
    504,143.23/695,708.86 = 274,702.44/x
  3. Step 3: Cross multiply
    504,143.23x = 695,708.86 × 274,702.44
  4. Step 4: Simplify right side
    504,143.23x = 191,112,921,371.62
  5. Step 5: Solve for x
    x = 191,112,921,371.62/504,143.23
  6. Step 6: Final answer
    x = 379,084.57

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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.