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Finding the Fourth Proportional to 504.97, 696.97 and 295.25

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Solution

The fourth proportional to 504.97, 696.97 and 295.25 is: 407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.97 : 696.97 = 295.25 : x
  2. Step 2: Convert to fraction form
    504.97/696.97 = 295.25/x
  3. Step 3: Cross multiply
    504.97x = 696.97 × 295.25
  4. Step 4: Simplify right side
    504.97x = 205,776.17
  5. Step 5: Solve for x
    x = 205,776.17/504.97
  6. Step 6: Final answer
    x = 407.50

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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.