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Finding the Fourth Proportional to 295,489,867.80, 443,234,801.70 and 173,045,861.40

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Solution

The fourth proportional to 295,489,867.80, 443,234,801.70 and 173,045,861.40 is: 259,568,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,867.80 : 443,234,801.70 = 173,045,861.40 : x
  2. Step 2: Convert to fraction form
    295,489,867.80/443,234,801.70 = 173,045,861.40/x
  3. Step 3: Cross multiply
    295,489,867.80x = 443,234,801.70 × 173,045,861.40
  4. Step 4: Simplify right side
    295,489,867.80x = 76,699,948,062,634,688
  5. Step 5: Solve for x
    x = 76,699,948,062,634,688/295,489,867.80
  6. Step 6: Final answer
    x = 259,568,792.10

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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.