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Finding the Fourth Proportional to 295,488,911.80, 443,233,367.70 and 173,044,905.40

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Solution

The fourth proportional to 295,488,911.80, 443,233,367.70 and 173,044,905.40 is: 259,567,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,911.80 : 443,233,367.70 = 173,044,905.40 : x
  2. Step 2: Convert to fraction form
    295,488,911.80/443,233,367.70 = 173,044,905.40/x
  3. Step 3: Cross multiply
    295,488,911.80x = 443,233,367.70 × 173,044,905.40
  4. Step 4: Simplify right side
    295,488,911.80x = 76,699,276,183,769,920
  5. Step 5: Solve for x
    x = 76,699,276,183,769,920/295,488,911.80
  6. Step 6: Final answer
    x = 259,567,358.10

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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.