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Finding the Fourth Proportional to 359,995.28, 496,783.96 and 198,846.86

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Solution

The fourth proportional to 359,995.28, 496,783.96 and 198,846.86 is: 274,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,995.28 : 496,783.96 = 198,846.86 : x
  2. Step 2: Convert to fraction form
    359,995.28/496,783.96 = 198,846.86/x
  3. Step 3: Cross multiply
    359,995.28x = 496,783.96 × 198,846.86
  4. Step 4: Simplify right side
    359,995.28x = 98,783,930,544.37
  5. Step 5: Solve for x
    x = 98,783,930,544.37/359,995.28
  6. Step 6: Final answer
    x = 274,403.40

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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.