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Finding the Fourth Proportional to 374,576,507.80, 561,864,761.70 and 366,923,757.40

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Solution

The fourth proportional to 374,576,507.80, 561,864,761.70 and 366,923,757.40 is: 550,385,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,576,507.80 : 561,864,761.70 = 366,923,757.40 : x
  2. Step 2: Convert to fraction form
    374,576,507.80/561,864,761.70 = 366,923,757.40/x
  3. Step 3: Cross multiply
    374,576,507.80x = 561,864,761.70 × 366,923,757.40
  4. Step 4: Simplify right side
    374,576,507.80x = 206,161,529,513,619,616
  5. Step 5: Solve for x
    x = 206,161,529,513,619,616/374,576,507.80
  6. Step 6: Final answer
    x = 550,385,636.10

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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.