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Finding the Fourth Proportional to 322,980,655.80, 484,470,983.70 and 322,980,655.80

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Solution

The fourth proportional to 322,980,655.80, 484,470,983.70 and 322,980,655.80 is: 484,470,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,980,655.80 : 484,470,983.70 = 322,980,655.80 : x
  2. Step 2: Convert to fraction form
    322,980,655.80/484,470,983.70 = 322,980,655.80/x
  3. Step 3: Cross multiply
    322,980,655.80x = 484,470,983.70 × 322,980,655.80
  4. Step 4: Simplify right side
    322,980,655.80x = 156,474,756,031,497,120
  5. Step 5: Solve for x
    x = 156,474,756,031,497,120/322,980,655.80
  6. Step 6: Final answer
    x = 484,470,983.70

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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.