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Finding the Fourth Proportional to 359,677.80, 496,355.45 and 198,532.94

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Solution

The fourth proportional to 359,677.80, 496,355.45 and 198,532.94 is: 273,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,677.80 : 496,355.45 = 198,532.94 : x
  2. Step 2: Convert to fraction form
    359,677.80/496,355.45 = 198,532.94/x
  3. Step 3: Cross multiply
    359,677.80x = 496,355.45 × 198,532.94
  4. Step 4: Simplify right side
    359,677.80x = 98,542,903,299.08
  5. Step 5: Solve for x
    x = 98,542,903,299.08/359,677.80
  6. Step 6: Final answer
    x = 273,975.50

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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.