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Finding the Fourth Proportional to 359,511.95, 496,136.87 and 198,377.37

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Solution

The fourth proportional to 359,511.95, 496,136.87 and 198,377.37 is: 273,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,511.95 : 496,136.87 = 198,377.37 : x
  2. Step 2: Convert to fraction form
    359,511.95/496,136.87 = 198,377.37/x
  3. Step 3: Cross multiply
    359,511.95x = 496,136.87 × 198,377.37
  4. Step 4: Simplify right side
    359,511.95x = 98,422,326,438.75
  5. Step 5: Solve for x
    x = 98,422,326,438.75/359,511.95
  6. Step 6: Final answer
    x = 273,766.50

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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.