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Finding the Fourth Proportional to 443,006.22, 664,363.53 and 243,551.82

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Solution

The fourth proportional to 443,006.22, 664,363.53 and 243,551.82 is: 365,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,006.22 : 664,363.53 = 243,551.82 : x
  2. Step 2: Convert to fraction form
    443,006.22/664,363.53 = 243,551.82/x
  3. Step 3: Cross multiply
    443,006.22x = 664,363.53 × 243,551.82
  4. Step 4: Simplify right side
    443,006.22x = 161,806,946,873.13
  5. Step 5: Solve for x
    x = 161,806,946,873.13/443,006.22
  6. Step 6: Final answer
    x = 365,247.57

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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.