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Finding the Fourth Proportional to 850.60, 1,173.66 and 501.16

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Solution

The fourth proportional to 850.60, 1,173.66 and 501.16 is: 691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.60 : 1,173.66 = 501.16 : x
  2. Step 2: Convert to fraction form
    850.60/1,173.66 = 501.16/x
  3. Step 3: Cross multiply
    850.60x = 1,173.66 × 501.16
  4. Step 4: Simplify right side
    850.60x = 588,191.45
  5. Step 5: Solve for x
    x = 588,191.45/850.60
  6. Step 6: Final answer
    x = 691.50

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