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Finding the Fourth Proportional to 503,754.48, 695,180.04 and 274,308.18

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Solution

The fourth proportional to 503,754.48, 695,180.04 and 274,308.18 is: 378,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,754.48 : 695,180.04 = 274,308.18 : x
  2. Step 2: Convert to fraction form
    503,754.48/695,180.04 = 274,308.18/x
  3. Step 3: Cross multiply
    503,754.48x = 695,180.04 × 274,308.18
  4. Step 4: Simplify right side
    503,754.48x = 190,693,571,544.73
  5. Step 5: Solve for x
    x = 190,693,571,544.73/503,754.48
  6. Step 6: Final answer
    x = 378,544.67

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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.