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Finding the Fourth Proportional to 488, 673.80 and 332.48

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Solution

The fourth proportional to 488, 673.80 and 332.48 is: 459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488 : 673.80 = 332.48 : x
  2. Step 2: Convert to fraction form
    488/673.80 = 332.48/x
  3. Step 3: Cross multiply
    488x = 673.80 × 332.48
  4. Step 4: Simplify right side
    488x = 224,025.02
  5. Step 5: Solve for x
    x = 224,025.02/488
  6. Step 6: Final answer
    x = 459.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.