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Finding the Fourth Proportional to 468,906.30, 703,359.45 and 258,954.30

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Solution

The fourth proportional to 468,906.30, 703,359.45 and 258,954.30 is: 388,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,906.30 : 703,359.45 = 258,954.30 : x
  2. Step 2: Convert to fraction form
    468,906.30/703,359.45 = 258,954.30/x
  3. Step 3: Cross multiply
    468,906.30x = 703,359.45 × 258,954.30
  4. Step 4: Simplify right side
    468,906.30x = 182,137,954,023.14
  5. Step 5: Solve for x
    x = 182,137,954,023.14/468,906.30
  6. Step 6: Final answer
    x = 388,431.45

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Similar ratio
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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.