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Finding the Fourth Proportional to 477,487.50, 658,945.22 and 262,633.20

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Solution

The fourth proportional to 477,487.50, 658,945.22 and 262,633.20 is: 362,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,487.50 : 658,945.22 = 262,633.20 : x
  2. Step 2: Convert to fraction form
    477,487.50/658,945.22 = 262,633.20/x
  3. Step 3: Cross multiply
    477,487.50x = 658,945.22 × 262,633.20
  4. Step 4: Simplify right side
    477,487.50x = 173,060,890,440.14
  5. Step 5: Solve for x
    x = 173,060,890,440.14/477,487.50
  6. Step 6: Final answer
    x = 362,440.67

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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.