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Finding the Fourth Proportional to 503.94, 695.44 and 294.26

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Solution

The fourth proportional to 503.94, 695.44 and 294.26 is: 406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.94 : 695.44 = 294.26 : x
  2. Step 2: Convert to fraction form
    503.94/695.44 = 294.26/x
  3. Step 3: Cross multiply
    503.94x = 695.44 × 294.26
  4. Step 4: Simplify right side
    503.94x = 204,638.70
  5. Step 5: Solve for x
    x = 204,638.70/503.94
  6. Step 6: Final answer
    x = 406.08

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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.