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Finding the Fourth Proportional to 622.57, 933.60 and 232.50

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Solution

The fourth proportional to 622.57, 933.60 and 232.50 is: 348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.57 : 933.60 = 232.50 : x
  2. Step 2: Convert to fraction form
    622.57/933.60 = 232.50/x
  3. Step 3: Cross multiply
    622.57x = 933.60 × 232.50
  4. Step 4: Simplify right side
    622.57x = 217,062
  5. Step 5: Solve for x
    x = 217,062/622.57
  6. Step 6: Final answer
    x = 348.65

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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.