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Finding the Fourth Proportional to 533,060.42, 735,622.16 and 303,617.66

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Solution

The fourth proportional to 533,060.42, 735,622.16 and 303,617.66 is: 418,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,060.42 : 735,622.16 = 303,617.66 : x
  2. Step 2: Convert to fraction form
    533,060.42/735,622.16 = 303,617.66/x
  3. Step 3: Cross multiply
    533,060.42x = 735,622.16 × 303,617.66
  4. Step 4: Simplify right side
    533,060.42x = 223,347,873,667.15
  5. Step 5: Solve for x
    x = 223,347,873,667.15/533,060.42
  6. Step 6: Final answer
    x = 418,991.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.