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Finding the Fourth Proportional to 366,954,697.80, 550,432,046.70 and 349,948,585.80

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Solution

The fourth proportional to 366,954,697.80, 550,432,046.70 and 349,948,585.80 is: 524,922,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,954,697.80 : 550,432,046.70 = 349,948,585.80 : x
  2. Step 2: Convert to fraction form
    366,954,697.80/550,432,046.70 = 349,948,585.80/x
  3. Step 3: Cross multiply
    366,954,697.80x = 550,432,046.70 × 349,948,585.80
  4. Step 4: Simplify right side
    366,954,697.80x = 192,622,916,321,664,576
  5. Step 5: Solve for x
    x = 192,622,916,321,664,576/366,954,697.80
  6. Step 6: Final answer
    x = 524,922,878.70

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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.