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Finding the Fourth Proportional to 359,696.30, 496,380.99 and 198,551.45

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Solution

The fourth proportional to 359,696.30, 496,380.99 and 198,551.45 is: 274,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,696.30 : 496,380.99 = 198,551.45 : x
  2. Step 2: Convert to fraction form
    359,696.30/496,380.99 = 198,551.45/x
  3. Step 3: Cross multiply
    359,696.30x = 496,380.99 × 198,551.45
  4. Step 4: Simplify right side
    359,696.30x = 98,557,165,316.94
  5. Step 5: Solve for x
    x = 98,557,165,316.94/359,696.30
  6. Step 6: Final answer
    x = 274,001.05

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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.