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Finding the Fourth Proportional to 574,745.54, 793,148.85 and 320,096.70

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Solution

The fourth proportional to 574,745.54, 793,148.85 and 320,096.70 is: 441,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,745.54 : 793,148.85 = 320,096.70 : x
  2. Step 2: Convert to fraction form
    574,745.54/793,148.85 = 320,096.70/x
  3. Step 3: Cross multiply
    574,745.54x = 793,148.85 × 320,096.70
  4. Step 4: Simplify right side
    574,745.54x = 253,884,329,493.80
  5. Step 5: Solve for x
    x = 253,884,329,493.80/574,745.54
  6. Step 6: Final answer
    x = 441,733.45

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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.