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Finding the Fourth Proportional to 899.10, 1,348.38 and 466.02

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Solution

The fourth proportional to 899.10, 1,348.38 and 466.02 is: 698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.10 : 1,348.38 = 466.02 : x
  2. Step 2: Convert to fraction form
    899.10/1,348.38 = 466.02/x
  3. Step 3: Cross multiply
    899.10x = 1,348.38 × 466.02
  4. Step 4: Simplify right side
    899.10x = 628,372.05
  5. Step 5: Solve for x
    x = 628,372.05/899.10
  6. Step 6: Final answer
    x = 698.89

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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.