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Finding the Fourth Proportional to 359,745.95, 496,436.40 and 198,597.54

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Solution

The fourth proportional to 359,745.95, 496,436.40 and 198,597.54 is: 274,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,745.95 : 496,436.40 = 198,597.54 : x
  2. Step 2: Convert to fraction form
    359,745.95/496,436.40 = 198,597.54/x
  3. Step 3: Cross multiply
    359,745.95x = 496,436.40 × 198,597.54
  4. Step 4: Simplify right side
    359,745.95x = 98,591,047,806.46
  5. Step 5: Solve for x
    x = 98,591,047,806.46/359,745.95
  6. Step 6: Final answer
    x = 274,057.43

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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.