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Finding the Fourth Proportional to 1,544.55, 2,316.90 and 504.54

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Solution

The fourth proportional to 1,544.55, 2,316.90 and 504.54 is: 756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.55 : 2,316.90 = 504.54 : x
  2. Step 2: Convert to fraction form
    1,544.55/2,316.90 = 504.54/x
  3. Step 3: Cross multiply
    1,544.55x = 2,316.90 × 504.54
  4. Step 4: Simplify right side
    1,544.55x = 1,168,968.73
  5. Step 5: Solve for x
    x = 1,168,968.73/1,544.55
  6. Step 6: Final answer
    x = 756.83

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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.