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Finding the Fourth Proportional to 295,489,901.20, 443,234,851.80 and 173,045,894.80

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Solution

The fourth proportional to 295,489,901.20, 443,234,851.80 and 173,045,894.80 is: 259,568,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,901.20 : 443,234,851.80 = 173,045,894.80 : x
  2. Step 2: Convert to fraction form
    295,489,901.20/443,234,851.80 = 173,045,894.80/x
  3. Step 3: Cross multiply
    295,489,901.20x = 443,234,851.80 × 173,045,894.80
  4. Step 4: Simplify right side
    295,489,901.20x = 76,699,971,536,276,400
  5. Step 5: Solve for x
    x = 76,699,971,536,276,400/295,489,901.20
  6. Step 6: Final answer
    x = 259,568,842.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.