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Finding the Fourth Proportional to 594.44, 891.48 and 389.08

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Solution

The fourth proportional to 594.44, 891.48 and 389.08 is: 583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.44 : 891.48 = 389.08 : x
  2. Step 2: Convert to fraction form
    594.44/891.48 = 389.08/x
  3. Step 3: Cross multiply
    594.44x = 891.48 × 389.08
  4. Step 4: Simplify right side
    594.44x = 346,857.04
  5. Step 5: Solve for x
    x = 346,857.04/594.44
  6. Step 6: Final answer
    x = 583.50

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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.