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Finding the Fourth Proportional to 359,706.56, 496,392.31 and 198,561.73

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Solution

The fourth proportional to 359,706.56, 496,392.31 and 198,561.73 is: 274,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,706.56 : 496,392.31 = 198,561.73 : x
  2. Step 2: Convert to fraction form
    359,706.56/496,392.31 = 198,561.73/x
  3. Step 3: Cross multiply
    359,706.56x = 496,392.31 × 198,561.73
  4. Step 4: Simplify right side
    359,706.56x = 98,564,515,832.30
  5. Step 5: Solve for x
    x = 98,564,515,832.30/359,706.56
  6. Step 6: Final answer
    x = 274,013.67

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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.