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Finding the Fourth Proportional to 359,682.09, 496,361.31 and 198,537.18

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Solution

The fourth proportional to 359,682.09, 496,361.31 and 198,537.18 is: 273,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,682.09 : 496,361.31 = 198,537.18 : x
  2. Step 2: Convert to fraction form
    359,682.09/496,361.31 = 198,537.18/x
  3. Step 3: Cross multiply
    359,682.09x = 496,361.31 × 198,537.18
  4. Step 4: Simplify right side
    359,682.09x = 98,546,174,748.51
  5. Step 5: Solve for x
    x = 98,546,174,748.51/359,682.09
  6. Step 6: Final answer
    x = 273,981.32

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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.