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Finding the Fourth Proportional to 703.48, 970.26 and 454.84

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Solution

The fourth proportional to 703.48, 970.26 and 454.84 is: 627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.48 : 970.26 = 454.84 : x
  2. Step 2: Convert to fraction form
    703.48/970.26 = 454.84/x
  3. Step 3: Cross multiply
    703.48x = 970.26 × 454.84
  4. Step 4: Simplify right side
    703.48x = 441,313.06
  5. Step 5: Solve for x
    x = 441,313.06/703.48
  6. Step 6: Final answer
    x = 627.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.