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Finding the Fourth Proportional to 359,992.32, 496,786.28 and 198,858.62

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Solution

The fourth proportional to 359,992.32, 496,786.28 and 198,858.62 is: 274,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,992.32 : 496,786.28 = 198,858.62 : x
  2. Step 2: Convert to fraction form
    359,992.32/496,786.28 = 198,858.62/x
  3. Step 3: Cross multiply
    359,992.32x = 496,786.28 × 198,858.62
  4. Step 4: Simplify right side
    359,992.32x = 98,790,234,075.73
  5. Step 5: Solve for x
    x = 98,790,234,075.73/359,992.32
  6. Step 6: Final answer
    x = 274,423.17

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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.