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Finding the Fourth Proportional to 1,063.92, 1,468.05 and 591.78

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Solution

The fourth proportional to 1,063.92, 1,468.05 and 591.78 is: 816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.92 : 1,468.05 = 591.78 : x
  2. Step 2: Convert to fraction form
    1,063.92/1,468.05 = 591.78/x
  3. Step 3: Cross multiply
    1,063.92x = 1,468.05 × 591.78
  4. Step 4: Simplify right side
    1,063.92x = 868,762.63
  5. Step 5: Solve for x
    x = 868,762.63/1,063.92
  6. Step 6: Final answer
    x = 816.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.