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Finding the Fourth Proportional to 323,014,781.80, 484,522,172.70 and 186,965,885.80

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Solution

The fourth proportional to 323,014,781.80, 484,522,172.70 and 186,965,885.80 is: 280,448,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,014,781.80 : 484,522,172.70 = 186,965,885.80 : x
  2. Step 2: Convert to fraction form
    323,014,781.80/484,522,172.70 = 186,965,885.80/x
  3. Step 3: Cross multiply
    323,014,781.80x = 484,522,172.70 × 186,965,885.80
  4. Step 4: Simplify right side
    323,014,781.80x = 90,589,117,208,596,080
  5. Step 5: Solve for x
    x = 90,589,117,208,596,080/323,014,781.80
  6. Step 6: Final answer
    x = 280,448,828.70

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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.