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Finding the Fourth Proportional to 504,130.23, 695,691.18 and 274,690.17

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Solution

The fourth proportional to 504,130.23, 695,691.18 and 274,690.17 is: 379,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,130.23 : 695,691.18 = 274,690.17 : x
  2. Step 2: Convert to fraction form
    504,130.23/695,691.18 = 274,690.17/x
  3. Step 3: Cross multiply
    504,130.23x = 695,691.18 × 274,690.17
  4. Step 4: Simplify right side
    504,130.23x = 191,099,528,501.70
  5. Step 5: Solve for x
    x = 191,099,528,501.70/504,130.23
  6. Step 6: Final answer
    x = 379,067.78

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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.