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Finding the Fourth Proportional to 604.10, 904.80 and 466.40

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Solution

The fourth proportional to 604.10, 904.80 and 466.40 is: 698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.10 : 904.80 = 466.40 : x
  2. Step 2: Convert to fraction form
    604.10/904.80 = 466.40/x
  3. Step 3: Cross multiply
    604.10x = 904.80 × 466.40
  4. Step 4: Simplify right side
    604.10x = 421,998.72
  5. Step 5: Solve for x
    x = 421,998.72/604.10
  6. Step 6: Final answer
    x = 698.56

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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.