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Finding the Fourth Proportional to 295,934.60, 443,513.10 and 262,497.80

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Solution

The fourth proportional to 295,934.60, 443,513.10 and 262,497.80 is: 393,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,934.60 : 443,513.10 = 262,497.80 : x
  2. Step 2: Convert to fraction form
    295,934.60/443,513.10 = 262,497.80/x
  3. Step 3: Cross multiply
    295,934.60x = 443,513.10 × 262,497.80
  4. Step 4: Simplify right side
    295,934.60x = 116,421,213,021.18
  5. Step 5: Solve for x
    x = 116,421,213,021.18/295,934.60
  6. Step 6: Final answer
    x = 393,401.83

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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.