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Finding the Fourth Proportional to 697.08, 1,045.90 and 466.06

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Solution

The fourth proportional to 697.08, 1,045.90 and 466.06 is: 699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.08 : 1,045.90 = 466.06 : x
  2. Step 2: Convert to fraction form
    697.08/1,045.90 = 466.06/x
  3. Step 3: Cross multiply
    697.08x = 1,045.90 × 466.06
  4. Step 4: Simplify right side
    697.08x = 487,452.15
  5. Step 5: Solve for x
    x = 487,452.15/697.08
  6. Step 6: Final answer
    x = 699.28

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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.