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Finding the Fourth Proportional to 963.28, 1,437.95 and 846.51

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Solution

The fourth proportional to 963.28, 1,437.95 and 846.51 is: 1,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.28 : 1,437.95 = 846.51 : x
  2. Step 2: Convert to fraction form
    963.28/1,437.95 = 846.51/x
  3. Step 3: Cross multiply
    963.28x = 1,437.95 × 846.51
  4. Step 4: Simplify right side
    963.28x = 1,217,241.17
  5. Step 5: Solve for x
    x = 1,217,241.17/963.28
  6. Step 6: Final answer
    x = 1,263.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.