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Finding the Fourth Proportional to 504,165.69, 695,739.67 and 274,724.59

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Solution

The fourth proportional to 504,165.69, 695,739.67 and 274,724.59 is: 379,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,165.69 : 695,739.67 = 274,724.59 : x
  2. Step 2: Convert to fraction form
    504,165.69/695,739.67 = 274,724.59/x
  3. Step 3: Cross multiply
    504,165.69x = 695,739.67 × 274,724.59
  4. Step 4: Simplify right side
    504,165.69x = 191,136,795,587.49
  5. Step 5: Solve for x
    x = 191,136,795,587.49/504,165.69
  6. Step 6: Final answer
    x = 379,115.04

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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.