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Finding the Fourth Proportional to 551,145,704.60, 826,718,556.90 and 333,042,318.20

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Solution

The fourth proportional to 551,145,704.60, 826,718,556.90 and 333,042,318.20 is: 499,563,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,145,704.60 : 826,718,556.90 = 333,042,318.20 : x
  2. Step 2: Convert to fraction form
    551,145,704.60/826,718,556.90 = 333,042,318.20/x
  3. Step 3: Cross multiply
    551,145,704.60x = 826,718,556.90 × 333,042,318.20
  4. Step 4: Simplify right side
    551,145,704.60x = 275,332,264,688,934,592
  5. Step 5: Solve for x
    x = 275,332,264,688,934,592/551,145,704.60
  6. Step 6: Final answer
    x = 499,563,477.30

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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.