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Finding the Fourth Proportional to 366,940.70, 550,411.05 and 234,080.45

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Solution

The fourth proportional to 366,940.70, 550,411.05 and 234,080.45 is: 351,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.70 : 550,411.05 = 234,080.45 : x
  2. Step 2: Convert to fraction form
    366,940.70/550,411.05 = 234,080.45/x
  3. Step 3: Cross multiply
    366,940.70x = 550,411.05 × 234,080.45
  4. Step 4: Simplify right side
    366,940.70x = 128,840,466,268.97
  5. Step 5: Solve for x
    x = 128,840,466,268.97/366,940.70
  6. Step 6: Final answer
    x = 351,120.68

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1.5x scale

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.