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Finding the Fourth Proportional to 261,503.67, 392,255.51 and 182,771.67

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Solution

The fourth proportional to 261,503.67, 392,255.51 and 182,771.67 is: 274,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,503.67 : 392,255.51 = 182,771.67 : x
  2. Step 2: Convert to fraction form
    261,503.67/392,255.51 = 182,771.67/x
  3. Step 3: Cross multiply
    261,503.67x = 392,255.51 × 182,771.67
  4. Step 4: Simplify right side
    261,503.67x = 71,693,193,715.54
  5. Step 5: Solve for x
    x = 71,693,193,715.54/261,503.67
  6. Step 6: Final answer
    x = 274,157.51

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1.5x scale

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.