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Finding the Fourth Proportional to 466.49, 700.65 and 379.89

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Solution

The fourth proportional to 466.49, 700.65 and 379.89 is: 570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.49 : 700.65 = 379.89 : x
  2. Step 2: Convert to fraction form
    466.49/700.65 = 379.89/x
  3. Step 3: Cross multiply
    466.49x = 700.65 × 379.89
  4. Step 4: Simplify right side
    466.49x = 266,169.93
  5. Step 5: Solve for x
    x = 266,169.93/466.49
  6. Step 6: Final answer
    x = 570.58

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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.