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Finding the Fourth Proportional to 359,556.42, 496,184.49 and 198,412.90

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Solution

The fourth proportional to 359,556.42, 496,184.49 and 198,412.90 is: 273,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,556.42 : 496,184.49 = 198,412.90 : x
  2. Step 2: Convert to fraction form
    359,556.42/496,184.49 = 198,412.90/x
  3. Step 3: Cross multiply
    359,556.42x = 496,184.49 × 198,412.90
  4. Step 4: Simplify right side
    359,556.42x = 98,449,403,595.92
  5. Step 5: Solve for x
    x = 98,449,403,595.92/359,556.42
  6. Step 6: Final answer
    x = 273,807.94

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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.