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Finding the Fourth Proportional to 504,228.21, 695,835.06 and 274,785.56

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Solution

The fourth proportional to 504,228.21, 695,835.06 and 274,785.56 is: 379,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,228.21 : 695,835.06 = 274,785.56 : x
  2. Step 2: Convert to fraction form
    504,228.21/695,835.06 = 274,785.56/x
  3. Step 3: Cross multiply
    504,228.21x = 695,835.06 × 274,785.56
  4. Step 4: Simplify right side
    504,228.21x = 191,205,425,255.81
  5. Step 5: Solve for x
    x = 191,205,425,255.81/504,228.21
  6. Step 6: Final answer
    x = 379,204.14

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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.