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Finding the Fourth Proportional to 1,063.46, 1,594.26 and 623.63

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Solution

The fourth proportional to 1,063.46, 1,594.26 and 623.63 is: 934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.46 : 1,594.26 = 623.63 : x
  2. Step 2: Convert to fraction form
    1,063.46/1,594.26 = 623.63/x
  3. Step 3: Cross multiply
    1,063.46x = 1,594.26 × 623.63
  4. Step 4: Simplify right side
    1,063.46x = 994,220.39
  5. Step 5: Solve for x
    x = 994,220.39/1,063.46
  6. Step 6: Final answer
    x = 934.90

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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.