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Finding the Fourth Proportional to 1,063.63, 1,594.93 and 396.06

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Solution

The fourth proportional to 1,063.63, 1,594.93 and 396.06 is: 593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.63 : 1,594.93 = 396.06 : x
  2. Step 2: Convert to fraction form
    1,063.63/1,594.93 = 396.06/x
  3. Step 3: Cross multiply
    1,063.63x = 1,594.93 × 396.06
  4. Step 4: Simplify right side
    1,063.63x = 631,687.98
  5. Step 5: Solve for x
    x = 631,687.98/1,063.63
  6. Step 6: Final answer
    x = 593.90

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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.