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Finding the Fourth Proportional to 503,888.68, 695,379.56 and 274,454.67

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Solution

The fourth proportional to 503,888.68, 695,379.56 and 274,454.67 is: 378,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,888.68 : 695,379.56 = 274,454.67 : x
  2. Step 2: Convert to fraction form
    503,888.68/695,379.56 = 274,454.67/x
  3. Step 3: Cross multiply
    503,888.68x = 695,379.56 × 274,454.67
  4. Step 4: Simplify right side
    503,888.68x = 190,850,167,664.55
  5. Step 5: Solve for x
    x = 190,850,167,664.55/503,888.68
  6. Step 6: Final answer
    x = 378,754.62

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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.