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Finding the Fourth Proportional to 295,364.60, 443,046.90 and 274,369.40

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Solution

The fourth proportional to 295,364.60, 443,046.90 and 274,369.40 is: 411,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,364.60 : 443,046.90 = 274,369.40 : x
  2. Step 2: Convert to fraction form
    295,364.60/443,046.90 = 274,369.40/x
  3. Step 3: Cross multiply
    295,364.60x = 443,046.90 × 274,369.40
  4. Step 4: Simplify right side
    295,364.60x = 121,558,512,124.86
  5. Step 5: Solve for x
    x = 121,558,512,124.86/295,364.60
  6. Step 6: Final answer
    x = 411,554.10

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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.