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Finding the Fourth Proportional to 360,321.18, 540,190.17 and 150,116.46

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Solution

The fourth proportional to 360,321.18, 540,190.17 and 150,116.46 is: 225,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,321.18 : 540,190.17 = 150,116.46 : x
  2. Step 2: Convert to fraction form
    360,321.18/540,190.17 = 150,116.46/x
  3. Step 3: Cross multiply
    360,321.18x = 540,190.17 × 150,116.46
  4. Step 4: Simplify right side
    360,321.18x = 81,091,436,047.20
  5. Step 5: Solve for x
    x = 81,091,436,047.20/360,321.18
  6. Step 6: Final answer
    x = 225,053.20

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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.