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Finding the Fourth Proportional to 359,525.32, 496,144.56 and 198,380.32

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Solution

The fourth proportional to 359,525.32, 496,144.56 and 198,380.32 is: 273,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,525.32 : 496,144.56 = 198,380.32 : x
  2. Step 2: Convert to fraction form
    359,525.32/496,144.56 = 198,380.32/x
  3. Step 3: Cross multiply
    359,525.32x = 496,144.56 × 198,380.32
  4. Step 4: Simplify right side
    359,525.32x = 98,425,316,579.06
  5. Step 5: Solve for x
    x = 98,425,316,579.06/359,525.32
  6. Step 6: Final answer
    x = 273,764.63

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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.