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Finding the Fourth Proportional to 694,227.67, 958,021.50 and 392,421.67

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Solution

The fourth proportional to 694,227.67, 958,021.50 and 392,421.67 is: 541,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,227.67 : 958,021.50 = 392,421.67 : x
  2. Step 2: Convert to fraction form
    694,227.67/958,021.50 = 392,421.67/x
  3. Step 3: Cross multiply
    694,227.67x = 958,021.50 × 392,421.67
  4. Step 4: Simplify right side
    694,227.67x = 375,948,396,925.91
  5. Step 5: Solve for x
    x = 375,948,396,925.91/694,227.67
  6. Step 6: Final answer
    x = 541,534.73

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1.5x scale

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.