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Finding the Fourth Proportional to 504,273.02, 695,884.78 and 274,837.55

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Solution

The fourth proportional to 504,273.02, 695,884.78 and 274,837.55 is: 379,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,273.02 : 695,884.78 = 274,837.55 : x
  2. Step 2: Convert to fraction form
    504,273.02/695,884.78 = 274,837.55/x
  3. Step 3: Cross multiply
    504,273.02x = 695,884.78 × 274,837.55
  4. Step 4: Simplify right side
    504,273.02x = 191,255,268,017.49
  5. Step 5: Solve for x
    x = 191,255,268,017.49/504,273.02
  6. Step 6: Final answer
    x = 379,269.29

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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.