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Finding the Fourth Proportional to 504,158.21, 695,729.32 and 274,717.49

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Solution

The fourth proportional to 504,158.21, 695,729.32 and 274,717.49 is: 379,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,158.21 : 695,729.32 = 274,717.49 : x
  2. Step 2: Convert to fraction form
    504,158.21/695,729.32 = 274,717.49/x
  3. Step 3: Cross multiply
    504,158.21x = 695,729.32 × 274,717.49
  4. Step 4: Simplify right side
    504,158.21x = 191,129,012,509.81
  5. Step 5: Solve for x
    x = 191,129,012,509.81/504,158.21
  6. Step 6: Final answer
    x = 379,105.23

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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.