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Finding the Fourth Proportional to 984.56, 1,476.84 and 599.04

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Solution

The fourth proportional to 984.56, 1,476.84 and 599.04 is: 898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.56 : 1,476.84 = 599.04 : x
  2. Step 2: Convert to fraction form
    984.56/1,476.84 = 599.04/x
  3. Step 3: Cross multiply
    984.56x = 1,476.84 × 599.04
  4. Step 4: Simplify right side
    984.56x = 884,686.23
  5. Step 5: Solve for x
    x = 884,686.23/984.56
  6. Step 6: Final answer
    x = 898.56

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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.