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Finding the Fourth Proportional to 552,454.30, 762,394.81 and 326,099.80

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Solution

The fourth proportional to 552,454.30, 762,394.81 and 326,099.80 is: 450,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,454.30 : 762,394.81 = 326,099.80 : x
  2. Step 2: Convert to fraction form
    552,454.30/762,394.81 = 326,099.80/x
  3. Step 3: Cross multiply
    552,454.30x = 762,394.81 × 326,099.80
  4. Step 4: Simplify right side
    552,454.30x = 248,616,792,340.80
  5. Step 5: Solve for x
    x = 248,616,792,340.80/552,454.30
  6. Step 6: Final answer
    x = 450,022.37

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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.