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Finding the Fourth Proportional to 933.02, 1,397.73 and 469.67

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Solution

The fourth proportional to 933.02, 1,397.73 and 469.67 is: 703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.02 : 1,397.73 = 469.67 : x
  2. Step 2: Convert to fraction form
    933.02/1,397.73 = 469.67/x
  3. Step 3: Cross multiply
    933.02x = 1,397.73 × 469.67
  4. Step 4: Simplify right side
    933.02x = 656,464.86
  5. Step 5: Solve for x
    x = 656,464.86/933.02
  6. Step 6: Final answer
    x = 703.60

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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.