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Finding the Fourth Proportional to 359,670.65, 496,357.50 and 196,336.85

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Solution

The fourth proportional to 359,670.65, 496,357.50 and 196,336.85 is: 270,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,670.65 : 496,357.50 = 196,336.85 : x
  2. Step 2: Convert to fraction form
    359,670.65/496,357.50 = 196,336.85/x
  3. Step 3: Cross multiply
    359,670.65x = 496,357.50 × 196,336.85
  4. Step 4: Simplify right side
    359,670.65x = 97,453,265,542.09
  5. Step 5: Solve for x
    x = 97,453,265,542.09/359,670.65
  6. Step 6: Final answer
    x = 270,951.40

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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.