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Finding the Fourth Proportional to 443,035.40, 664,553.10 and 443,035.40

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Solution

The fourth proportional to 443,035.40, 664,553.10 and 443,035.40 is: 664,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,035.40 : 664,553.10 = 443,035.40 : x
  2. Step 2: Convert to fraction form
    443,035.40/664,553.10 = 443,035.40/x
  3. Step 3: Cross multiply
    443,035.40x = 664,553.10 × 443,035.40
  4. Step 4: Simplify right side
    443,035.40x = 294,420,548,479.74
  5. Step 5: Solve for x
    x = 294,420,548,479.74/443,035.40
  6. Step 6: Final answer
    x = 664,553.10

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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.