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Finding the Fourth Proportional to 295,479, 443,466.46 and 153,411.48

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Solution

The fourth proportional to 295,479, 443,466.46 and 153,411.48 is: 230,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,479 : 443,466.46 = 153,411.48 : x
  2. Step 2: Convert to fraction form
    295,479/443,466.46 = 153,411.48/x
  3. Step 3: Cross multiply
    295,479x = 443,466.46 × 153,411.48
  4. Step 4: Simplify right side
    295,479x = 68,032,845,958.96
  5. Step 5: Solve for x
    x = 68,032,845,958.96/295,479
  6. Step 6: Final answer
    x = 230,245.96

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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.