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Finding the Fourth Proportional to 503,745.08, 695,167.11 and 274,298.81

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Solution

The fourth proportional to 503,745.08, 695,167.11 and 274,298.81 is: 378,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,745.08 : 695,167.11 = 274,298.81 : x
  2. Step 2: Convert to fraction form
    503,745.08/695,167.11 = 274,298.81/x
  3. Step 3: Cross multiply
    503,745.08x = 695,167.11 × 274,298.81
  4. Step 4: Simplify right side
    503,745.08x = 190,683,507,548.30
  5. Step 5: Solve for x
    x = 190,683,507,548.30/503,745.08
  6. Step 6: Final answer
    x = 378,531.76

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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.