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Finding the Fourth Proportional to 702.07, 968.66 and 453.40

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Solution

The fourth proportional to 702.07, 968.66 and 453.40 is: 625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.07 : 968.66 = 453.40 : x
  2. Step 2: Convert to fraction form
    702.07/968.66 = 453.40/x
  3. Step 3: Cross multiply
    702.07x = 968.66 × 453.40
  4. Step 4: Simplify right side
    702.07x = 439,188.18
  5. Step 5: Solve for x
    x = 439,188.18/702.07
  6. Step 6: Final answer
    x = 625.56

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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.