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Finding the Fourth Proportional to 703.64, 1,055.43 and 183.67

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Solution

The fourth proportional to 703.64, 1,055.43 and 183.67 is: 275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.64 : 1,055.43 = 183.67 : x
  2. Step 2: Convert to fraction form
    703.64/1,055.43 = 183.67/x
  3. Step 3: Cross multiply
    703.64x = 1,055.43 × 183.67
  4. Step 4: Simplify right side
    703.64x = 193,848.19
  5. Step 5: Solve for x
    x = 193,848.19/703.64
  6. Step 6: Final answer
    x = 275.49

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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.