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Finding the Fourth Proportional to 703.17, 969.66 and 603.95

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Solution

The fourth proportional to 703.17, 969.66 and 603.95 is: 832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.17 : 969.66 = 603.95 : x
  2. Step 2: Convert to fraction form
    703.17/969.66 = 603.95/x
  3. Step 3: Cross multiply
    703.17x = 969.66 × 603.95
  4. Step 4: Simplify right side
    703.17x = 585,621.31
  5. Step 5: Solve for x
    x = 585,621.31/703.17
  6. Step 6: Final answer
    x = 832.83

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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.