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Finding the Fourth Proportional to 443,770.10, 665,655.15 and 443,770.10

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Solution

The fourth proportional to 443,770.10, 665,655.15 and 443,770.10 is: 665,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,770.10 : 665,655.15 = 443,770.10 : x
  2. Step 2: Convert to fraction form
    443,770.10/665,655.15 = 443,770.10/x
  3. Step 3: Cross multiply
    443,770.10x = 665,655.15 × 443,770.10
  4. Step 4: Simplify right side
    443,770.10x = 295,397,852,481.02
  5. Step 5: Solve for x
    x = 295,397,852,481.02/443,770.10
  6. Step 6: Final answer
    x = 665,655.15

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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.