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Finding the Fourth Proportional to 933.70, 1,304.75 and 933.70

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Solution

The fourth proportional to 933.70, 1,304.75 and 933.70 is: 1,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.70 : 1,304.75 = 933.70 : x
  2. Step 2: Convert to fraction form
    933.70/1,304.75 = 933.70/x
  3. Step 3: Cross multiply
    933.70x = 1,304.75 × 933.70
  4. Step 4: Simplify right side
    933.70x = 1,218,245.08
  5. Step 5: Solve for x
    x = 1,218,245.08/933.70
  6. Step 6: Final answer
    x = 1,304.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.