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Finding the Fourth Proportional to 373,405,983.80, 560,108,975.70 and 373,405,983.80

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Solution

The fourth proportional to 373,405,983.80, 560,108,975.70 and 373,405,983.80 is: 560,108,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,405,983.80 : 560,108,975.70 = 373,405,983.80 : x
  2. Step 2: Convert to fraction form
    373,405,983.80/560,108,975.70 = 373,405,983.80/x
  3. Step 3: Cross multiply
    373,405,983.80x = 560,108,975.70 × 373,405,983.80
  4. Step 4: Simplify right side
    373,405,983.80x = 209,148,043,106,468,832
  5. Step 5: Solve for x
    x = 209,148,043,106,468,832/373,405,983.80
  6. Step 6: Final answer
    x = 560,108,975.70

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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.