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Finding the Fourth Proportional to 503,796.69, 695,225.91 and 274,349.40

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Solution

The fourth proportional to 503,796.69, 695,225.91 and 274,349.40 is: 378,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,796.69 : 695,225.91 = 274,349.40 : x
  2. Step 2: Convert to fraction form
    503,796.69/695,225.91 = 274,349.40/x
  3. Step 3: Cross multiply
    503,796.69x = 695,225.91 × 274,349.40
  4. Step 4: Simplify right side
    503,796.69x = 190,734,811,272.95
  5. Step 5: Solve for x
    x = 190,734,811,272.95/503,796.69
  6. Step 6: Final answer
    x = 378,594.81

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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.