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Finding the Fourth Proportional to 605,304.45, 835,258.32 and 372,694.44

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Solution

The fourth proportional to 605,304.45, 835,258.32 and 372,694.44 is: 514,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,304.45 : 835,258.32 = 372,694.44 : x
  2. Step 2: Convert to fraction form
    605,304.45/835,258.32 = 372,694.44/x
  3. Step 3: Cross multiply
    605,304.45x = 835,258.32 × 372,694.44
  4. Step 4: Simplify right side
    605,304.45x = 311,296,136,940.58
  5. Step 5: Solve for x
    x = 311,296,136,940.58/605,304.45
  6. Step 6: Final answer
    x = 514,280.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.