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Finding the Fourth Proportional to 792.59, 1,188.62 and 376.06

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Solution

The fourth proportional to 792.59, 1,188.62 and 376.06 is: 563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.59 : 1,188.62 = 376.06 : x
  2. Step 2: Convert to fraction form
    792.59/1,188.62 = 376.06/x
  3. Step 3: Cross multiply
    792.59x = 1,188.62 × 376.06
  4. Step 4: Simplify right side
    792.59x = 446,994.66
  5. Step 5: Solve for x
    x = 446,994.66/792.59
  6. Step 6: Final answer
    x = 563.97

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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.