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Finding the Fourth Proportional to 359,824.80, 496,554.90 and 198,676.38

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Solution

The fourth proportional to 359,824.80, 496,554.90 and 198,676.38 is: 274,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,824.80 : 496,554.90 = 198,676.38 : x
  2. Step 2: Convert to fraction form
    359,824.80/496,554.90 = 198,676.38/x
  3. Step 3: Cross multiply
    359,824.80x = 496,554.90 × 198,676.38
  4. Step 4: Simplify right side
    359,824.80x = 98,653,730,003.26
  5. Step 5: Solve for x
    x = 98,653,730,003.26/359,824.80
  6. Step 6: Final answer
    x = 274,171.57

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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.