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Finding the Fourth Proportional to 359,710.87, 496,401.10 and 198,566.03

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Solution

The fourth proportional to 359,710.87, 496,401.10 and 198,566.03 is: 274,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,710.87 : 496,401.10 = 198,566.03 : x
  2. Step 2: Convert to fraction form
    359,710.87/496,401.10 = 198,566.03/x
  3. Step 3: Cross multiply
    359,710.87x = 496,401.10 × 198,566.03
  4. Step 4: Simplify right side
    359,710.87x = 98,568,395,714.63
  5. Step 5: Solve for x
    x = 98,568,395,714.63/359,710.87
  6. Step 6: Final answer
    x = 274,021.18

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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.