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Finding the Fourth Proportional to 697.94, 963.60 and 573.95

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Solution

The fourth proportional to 697.94, 963.60 and 573.95 is: 792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.94 : 963.60 = 573.95 : x
  2. Step 2: Convert to fraction form
    697.94/963.60 = 573.95/x
  3. Step 3: Cross multiply
    697.94x = 963.60 × 573.95
  4. Step 4: Simplify right side
    697.94x = 553,058.22
  5. Step 5: Solve for x
    x = 553,058.22/697.94
  6. Step 6: Final answer
    x = 792.42

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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.