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Finding the Fourth Proportional to 360,639.90, 541,009.05 and 150,228.63

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Solution

The fourth proportional to 360,639.90, 541,009.05 and 150,228.63 is: 225,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,639.90 : 541,009.05 = 150,228.63 : x
  2. Step 2: Convert to fraction form
    360,639.90/541,009.05 = 150,228.63/x
  3. Step 3: Cross multiply
    360,639.90x = 541,009.05 × 150,228.63
  4. Step 4: Simplify right side
    360,639.90x = 81,275,048,399.10
  5. Step 5: Solve for x
    x = 81,275,048,399.10/360,639.90
  6. Step 6: Final answer
    x = 225,363.44

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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.