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Finding the Fourth Proportional to 504,248.09, 695,862.46 and 274,805.43

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Solution

The fourth proportional to 504,248.09, 695,862.46 and 274,805.43 is: 379,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,248.09 : 695,862.46 = 274,805.43 : x
  2. Step 2: Convert to fraction form
    504,248.09/695,862.46 = 274,805.43/x
  3. Step 3: Cross multiply
    504,248.09x = 695,862.46 × 274,805.43
  4. Step 4: Simplify right side
    504,248.09x = 191,226,780,275.18
  5. Step 5: Solve for x
    x = 191,226,780,275.18/504,248.09
  6. Step 6: Final answer
    x = 379,231.54

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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.