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Finding the Fourth Proportional to 962.04, 1,326.69 and 630.30

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Solution

The fourth proportional to 962.04, 1,326.69 and 630.30 is: 869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.04 : 1,326.69 = 630.30 : x
  2. Step 2: Convert to fraction form
    962.04/1,326.69 = 630.30/x
  3. Step 3: Cross multiply
    962.04x = 1,326.69 × 630.30
  4. Step 4: Simplify right side
    962.04x = 836,212.71
  5. Step 5: Solve for x
    x = 836,212.71/962.04
  6. Step 6: Final answer
    x = 869.21

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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.