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Finding the Fourth Proportional to 359,700.54, 496,414.23 and 198,586.62

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Solution

The fourth proportional to 359,700.54, 496,414.23 and 198,586.62 is: 274,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,700.54 : 496,414.23 = 198,586.62 : x
  2. Step 2: Convert to fraction form
    359,700.54/496,414.23 = 198,586.62/x
  3. Step 3: Cross multiply
    359,700.54x = 496,414.23 × 198,586.62
  4. Step 4: Simplify right side
    359,700.54x = 98,581,224,055.60
  5. Step 5: Solve for x
    x = 98,581,224,055.60/359,700.54
  6. Step 6: Final answer
    x = 274,064.71

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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.