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Finding the Fourth Proportional to 295,483.80, 443,225.70 and 269,218.20

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Solution

The fourth proportional to 295,483.80, 443,225.70 and 269,218.20 is: 403,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,483.80 : 443,225.70 = 269,218.20 : x
  2. Step 2: Convert to fraction form
    295,483.80/443,225.70 = 269,218.20/x
  3. Step 3: Cross multiply
    295,483.80x = 443,225.70 × 269,218.20
  4. Step 4: Simplify right side
    295,483.80x = 119,324,425,147.74
  5. Step 5: Solve for x
    x = 119,324,425,147.74/295,483.80
  6. Step 6: Final answer
    x = 403,827.30

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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.