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Finding the Fourth Proportional to 295,489,781.70, 443,234,672.55 and 186,650,664.90

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Solution

The fourth proportional to 295,489,781.70, 443,234,672.55 and 186,650,664.90 is: 279,975,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,781.70 : 443,234,672.55 = 186,650,664.90 : x
  2. Step 2: Convert to fraction form
    295,489,781.70/443,234,672.55 = 186,650,664.90/x
  3. Step 3: Cross multiply
    295,489,781.70x = 443,234,672.55 × 186,650,664.90
  4. Step 4: Simplify right side
    295,489,781.70x = 82,730,046,338,191,280
  5. Step 5: Solve for x
    x = 82,730,046,338,191,280/295,489,781.70
  6. Step 6: Final answer
    x = 279,975,997.35

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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.