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Finding the Fourth Proportional to 466.55, 698.73 and 368.81

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Solution

The fourth proportional to 466.55, 698.73 and 368.81 is: 552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.55 : 698.73 = 368.81 : x
  2. Step 2: Convert to fraction form
    466.55/698.73 = 368.81/x
  3. Step 3: Cross multiply
    466.55x = 698.73 × 368.81
  4. Step 4: Simplify right side
    466.55x = 257,698.61
  5. Step 5: Solve for x
    x = 257,698.61/466.55
  6. Step 6: Final answer
    x = 552.35

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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.