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Finding the Fourth Proportional to 933.03, 1,396.82 and 585.25

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Solution

The fourth proportional to 933.03, 1,396.82 and 585.25 is: 876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.03 : 1,396.82 = 585.25 : x
  2. Step 2: Convert to fraction form
    933.03/1,396.82 = 585.25/x
  3. Step 3: Cross multiply
    933.03x = 1,396.82 × 585.25
  4. Step 4: Simplify right side
    933.03x = 817,486.88
  5. Step 5: Solve for x
    x = 817,486.88/933.03
  6. Step 6: Final answer
    x = 876.16

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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.