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Finding the Fourth Proportional to 933.32, 1,400.92 and 471.44

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Solution

The fourth proportional to 933.32, 1,400.92 and 471.44 is: 707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.32 : 1,400.92 = 471.44 : x
  2. Step 2: Convert to fraction form
    933.32/1,400.92 = 471.44/x
  3. Step 3: Cross multiply
    933.32x = 1,400.92 × 471.44
  4. Step 4: Simplify right side
    933.32x = 660,449.72
  5. Step 5: Solve for x
    x = 660,449.72/933.32
  6. Step 6: Final answer
    x = 707.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.