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Finding the Fourth Proportional to 359,593.69, 496,238.79 and 198,448.72

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Solution

The fourth proportional to 359,593.69, 496,238.79 and 198,448.72 is: 273,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,593.69 : 496,238.79 = 198,448.72 : x
  2. Step 2: Convert to fraction form
    359,593.69/496,238.79 = 198,448.72/x
  3. Step 3: Cross multiply
    359,593.69x = 496,238.79 × 198,448.72
  4. Step 4: Simplify right side
    359,593.69x = 98,477,952,689.85
  5. Step 5: Solve for x
    x = 98,477,952,689.85/359,593.69
  6. Step 6: Final answer
    x = 273,858.96

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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.