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Finding the Fourth Proportional to 623.17, 933.67 and 366.13

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Solution

The fourth proportional to 623.17, 933.67 and 366.13 is: 548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.17 : 933.67 = 366.13 : x
  2. Step 2: Convert to fraction form
    623.17/933.67 = 366.13/x
  3. Step 3: Cross multiply
    623.17x = 933.67 × 366.13
  4. Step 4: Simplify right side
    623.17x = 341,844.60
  5. Step 5: Solve for x
    x = 341,844.60/623.17
  6. Step 6: Final answer
    x = 548.56

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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.