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Finding the Fourth Proportional to 1,256.46, 1,884.67 and 332.07

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Solution

The fourth proportional to 1,256.46, 1,884.67 and 332.07 is: 498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256.46 : 1,884.67 = 332.07 : x
  2. Step 2: Convert to fraction form
    1,256.46/1,884.67 = 332.07/x
  3. Step 3: Cross multiply
    1,256.46x = 1,884.67 × 332.07
  4. Step 4: Simplify right side
    1,256.46x = 625,850.37
  5. Step 5: Solve for x
    x = 625,850.37/1,256.46
  6. Step 6: Final answer
    x = 498.11

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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.