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Finding the Fourth Proportional to 295,489,343.80, 443,234,015.70 and 173,045,337.40

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Solution

The fourth proportional to 295,489,343.80, 443,234,015.70 and 173,045,337.40 is: 259,568,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,343.80 : 443,234,015.70 = 173,045,337.40 : x
  2. Step 2: Convert to fraction form
    295,489,343.80/443,234,015.70 = 173,045,337.40/x
  3. Step 3: Cross multiply
    295,489,343.80x = 443,234,015.70 × 173,045,337.40
  4. Step 4: Simplify right side
    295,489,343.80x = 76,699,579,793,963,392
  5. Step 5: Solve for x
    x = 76,699,579,793,963,392/295,489,343.80
  6. Step 6: Final answer
    x = 259,568,006.10

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1.5x scale

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.