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Finding the Fourth Proportional to 557,447.17, 836,295.34 and 178,390.67

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Solution

The fourth proportional to 557,447.17, 836,295.34 and 178,390.67 is: 267,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,447.17 : 836,295.34 = 178,390.67 : x
  2. Step 2: Convert to fraction form
    557,447.17/836,295.34 = 178,390.67/x
  3. Step 3: Cross multiply
    557,447.17x = 836,295.34 × 178,390.67
  4. Step 4: Simplify right side
    557,447.17x = 149,187,286,020.48
  5. Step 5: Solve for x
    x = 149,187,286,020.48/557,447.17
  6. Step 6: Final answer
    x = 267,625.87

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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.