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Finding the Fourth Proportional to 504,187.82, 695,779.26 and 274,745.20

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Solution

The fourth proportional to 504,187.82, 695,779.26 and 274,745.20 is: 379,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,187.82 : 695,779.26 = 274,745.20 : x
  2. Step 2: Convert to fraction form
    504,187.82/695,779.26 = 274,745.20/x
  3. Step 3: Cross multiply
    504,187.82x = 695,779.26 × 274,745.20
  4. Step 4: Simplify right side
    504,187.82x = 191,162,011,944.55
  5. Step 5: Solve for x
    x = 191,162,011,944.55/504,187.82
  6. Step 6: Final answer
    x = 379,148.41

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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.