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Finding the Fourth Proportional to 504,145.94, 695,712.45 and 274,704.81

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Solution

The fourth proportional to 504,145.94, 695,712.45 and 274,704.81 is: 379,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,145.94 : 695,712.45 = 274,704.81 : x
  2. Step 2: Convert to fraction form
    504,145.94/695,712.45 = 274,704.81/x
  3. Step 3: Cross multiply
    504,145.94x = 695,712.45 × 274,704.81
  4. Step 4: Simplify right side
    504,145.94x = 191,115,554,813.11
  5. Step 5: Solve for x
    x = 191,115,554,813.11/504,145.94
  6. Step 6: Final answer
    x = 379,087.76

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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.