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Finding the Fourth Proportional to 933.83, 1,400.62 and 240.50

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Solution

The fourth proportional to 933.83, 1,400.62 and 240.50 is: 360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.83 : 1,400.62 = 240.50 : x
  2. Step 2: Convert to fraction form
    933.83/1,400.62 = 240.50/x
  3. Step 3: Cross multiply
    933.83x = 1,400.62 × 240.50
  4. Step 4: Simplify right side
    933.83x = 336,851.78
  5. Step 5: Solve for x
    x = 336,851.78/933.83
  6. Step 6: Final answer
    x = 360.72

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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.