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Finding the Fourth Proportional to 454,604.23, 627,358.75 and 250,655.54

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Solution

The fourth proportional to 454,604.23, 627,358.75 and 250,655.54 is: 345,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,604.23 : 627,358.75 = 250,655.54 : x
  2. Step 2: Convert to fraction form
    454,604.23/627,358.75 = 250,655.54/x
  3. Step 3: Cross multiply
    454,604.23x = 627,358.75 × 250,655.54
  4. Step 4: Simplify right side
    454,604.23x = 157,250,946,254.98
  5. Step 5: Solve for x
    x = 157,250,946,254.98/454,604.23
  6. Step 6: Final answer
    x = 345,907.36

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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.