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Finding the Fourth Proportional to 360,908.32, 541,437.18 and 108,178.60

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Solution

The fourth proportional to 360,908.32, 541,437.18 and 108,178.60 is: 162,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,908.32 : 541,437.18 = 108,178.60 : x
  2. Step 2: Convert to fraction form
    360,908.32/541,437.18 = 108,178.60/x
  3. Step 3: Cross multiply
    360,908.32x = 541,437.18 × 108,178.60
  4. Step 4: Simplify right side
    360,908.32x = 58,571,916,120.35
  5. Step 5: Solve for x
    x = 58,571,916,120.35/360,908.32
  6. Step 6: Final answer
    x = 162,290.29

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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.