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Finding the Fourth Proportional to 933.33, 1,400.14 and 317.07

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Solution

The fourth proportional to 933.33, 1,400.14 and 317.07 is: 475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.33 : 1,400.14 = 317.07 : x
  2. Step 2: Convert to fraction form
    933.33/1,400.14 = 317.07/x
  3. Step 3: Cross multiply
    933.33x = 1,400.14 × 317.07
  4. Step 4: Simplify right side
    933.33x = 443,941.60
  5. Step 5: Solve for x
    x = 443,941.60/933.33
  6. Step 6: Final answer
    x = 475.65

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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.