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Finding the Fourth Proportional to 731.60, 1,097.40 and 593.99

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Solution

The fourth proportional to 731.60, 1,097.40 and 593.99 is: 890.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.60 : 1,097.40 = 593.99 : x
  2. Step 2: Convert to fraction form
    731.60/1,097.40 = 593.99/x
  3. Step 3: Cross multiply
    731.60x = 1,097.40 × 593.99
  4. Step 4: Simplify right side
    731.60x = 651,844.63
  5. Step 5: Solve for x
    x = 651,844.63/731.60
  6. Step 6: Final answer
    x = 890.99

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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.