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Finding the Fourth Proportional to 503.97, 695.46 and 294.16

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Solution

The fourth proportional to 503.97, 695.46 and 294.16 is: 405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.97 : 695.46 = 294.16 : x
  2. Step 2: Convert to fraction form
    503.97/695.46 = 294.16/x
  3. Step 3: Cross multiply
    503.97x = 695.46 × 294.16
  4. Step 4: Simplify right side
    503.97x = 204,574.40
  5. Step 5: Solve for x
    x = 204,574.40/503.97
  6. Step 6: Final answer
    x = 405.92

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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.