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Finding the Fourth Proportional to 483.74, 667.90 and 373.04

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Solution

The fourth proportional to 483.74, 667.90 and 373.04 is: 515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.74 : 667.90 = 373.04 : x
  2. Step 2: Convert to fraction form
    483.74/667.90 = 373.04/x
  3. Step 3: Cross multiply
    483.74x = 667.90 × 373.04
  4. Step 4: Simplify right side
    483.74x = 249,153.42
  5. Step 5: Solve for x
    x = 249,153.42/483.74
  6. Step 6: Final answer
    x = 515.06

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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.