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Finding the Fourth Proportional to 359,771.58, 496,485.52 and 198,626.94

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Solution

The fourth proportional to 359,771.58, 496,485.52 and 198,626.94 is: 274,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,771.58 : 496,485.52 = 198,626.94 : x
  2. Step 2: Convert to fraction form
    359,771.58/496,485.52 = 198,626.94/x
  3. Step 3: Cross multiply
    359,771.58x = 496,485.52 × 198,626.94
  4. Step 4: Simplify right side
    359,771.58x = 98,615,399,095.34
  5. Step 5: Solve for x
    x = 98,615,399,095.34/359,771.58
  6. Step 6: Final answer
    x = 274,105.58

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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.