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Finding the Fourth Proportional to 360,318.36, 540,185.76 and 150,113.64

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Solution

The fourth proportional to 360,318.36, 540,185.76 and 150,113.64 is: 225,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,318.36 : 540,185.76 = 150,113.64 : x
  2. Step 2: Convert to fraction form
    360,318.36/540,185.76 = 150,113.64/x
  3. Step 3: Cross multiply
    360,318.36x = 540,185.76 × 150,113.64
  4. Step 4: Simplify right side
    360,318.36x = 81,089,250,709.77
  5. Step 5: Solve for x
    x = 81,089,250,709.77/360,318.36
  6. Step 6: Final answer
    x = 225,048.90

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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.