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Finding the Fourth Proportional to 359,513.83, 496,125.97 and 198,370.41

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Solution

The fourth proportional to 359,513.83, 496,125.97 and 198,370.41 is: 273,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,513.83 : 496,125.97 = 198,370.41 : x
  2. Step 2: Convert to fraction form
    359,513.83/496,125.97 = 198,370.41/x
  3. Step 3: Cross multiply
    359,513.83x = 496,125.97 × 198,370.41
  4. Step 4: Simplify right side
    359,513.83x = 98,416,712,080.55
  5. Step 5: Solve for x
    x = 98,416,712,080.55/359,513.83
  6. Step 6: Final answer
    x = 273,749.45

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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.