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Finding the Fourth Proportional to 484.26, 668.58 and 373.53

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Solution

The fourth proportional to 484.26, 668.58 and 373.53 is: 515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.26 : 668.58 = 373.53 : x
  2. Step 2: Convert to fraction form
    484.26/668.58 = 373.53/x
  3. Step 3: Cross multiply
    484.26x = 668.58 × 373.53
  4. Step 4: Simplify right side
    484.26x = 249,734.69
  5. Step 5: Solve for x
    x = 249,734.69/484.26
  6. Step 6: Final answer
    x = 515.70

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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.