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Finding the Fourth Proportional to 984.13, 1,476.18 and 463.95

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Solution

The fourth proportional to 984.13, 1,476.18 and 463.95 is: 695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.13 : 1,476.18 = 463.95 : x
  2. Step 2: Convert to fraction form
    984.13/1,476.18 = 463.95/x
  3. Step 3: Cross multiply
    984.13x = 1,476.18 × 463.95
  4. Step 4: Simplify right side
    984.13x = 684,873.71
  5. Step 5: Solve for x
    x = 684,873.71/984.13
  6. Step 6: Final answer
    x = 695.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.