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Finding the Fourth Proportional to 1,173.74, 1,759.19 and 524.93

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Solution

The fourth proportional to 1,173.74, 1,759.19 and 524.93 is: 786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.74 : 1,759.19 = 524.93 : x
  2. Step 2: Convert to fraction form
    1,173.74/1,759.19 = 524.93/x
  3. Step 3: Cross multiply
    1,173.74x = 1,759.19 × 524.93
  4. Step 4: Simplify right side
    1,173.74x = 923,440.19
  5. Step 5: Solve for x
    x = 923,440.19/1,173.74
  6. Step 6: Final answer
    x = 786.75

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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.