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Finding the Fourth Proportional to 933.37, 1,401.90 and 587.32

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Solution

The fourth proportional to 933.37, 1,401.90 and 587.32 is: 882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.37 : 1,401.90 = 587.32 : x
  2. Step 2: Convert to fraction form
    933.37/1,401.90 = 587.32/x
  3. Step 3: Cross multiply
    933.37x = 1,401.90 × 587.32
  4. Step 4: Simplify right side
    933.37x = 823,363.91
  5. Step 5: Solve for x
    x = 823,363.91/933.37
  6. Step 6: Final answer
    x = 882.14

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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.