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Finding the Fourth Proportional to 443,511,623.80, 665,267,435.70 and 443,511,623.80

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Solution

The fourth proportional to 443,511,623.80, 665,267,435.70 and 443,511,623.80 is: 665,267,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,511,623.80 : 665,267,435.70 = 443,511,623.80 : x
  2. Step 2: Convert to fraction form
    443,511,623.80/665,267,435.70 = 443,511,623.80/x
  3. Step 3: Cross multiply
    443,511,623.80x = 665,267,435.70 × 443,511,623.80
  4. Step 4: Simplify right side
    443,511,623.80x = 295,053,840,668,569,088
  5. Step 5: Solve for x
    x = 295,053,840,668,569,088/443,511,623.80
  6. Step 6: Final answer
    x = 665,267,435.70

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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.