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Finding the Fourth Proportional to 503,800.05, 695,248.52 and 274,358.34

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Solution

The fourth proportional to 503,800.05, 695,248.52 and 274,358.34 is: 378,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,800.05 : 695,248.52 = 274,358.34 : x
  2. Step 2: Convert to fraction form
    503,800.05/695,248.52 = 274,358.34/x
  3. Step 3: Cross multiply
    503,800.05x = 695,248.52 × 274,358.34
  4. Step 4: Simplify right side
    503,800.05x = 190,747,228,462.87
  5. Step 5: Solve for x
    x = 190,747,228,462.87/503,800.05
  6. Step 6: Final answer
    x = 378,616.93

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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.