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Finding the Fourth Proportional to 1,216.54, 1,824.75 and 598.42

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Solution

The fourth proportional to 1,216.54, 1,824.75 and 598.42 is: 897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.54 : 1,824.75 = 598.42 : x
  2. Step 2: Convert to fraction form
    1,216.54/1,824.75 = 598.42/x
  3. Step 3: Cross multiply
    1,216.54x = 1,824.75 × 598.42
  4. Step 4: Simplify right side
    1,216.54x = 1,091,966.90
  5. Step 5: Solve for x
    x = 1,091,966.90/1,216.54
  6. Step 6: Final answer
    x = 897.60

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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.