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Finding the Fourth Proportional to 360,274.56, 540,220.68 and 180,162.96

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Solution

The fourth proportional to 360,274.56, 540,220.68 and 180,162.96 is: 270,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,274.56 : 540,220.68 = 180,162.96 : x
  2. Step 2: Convert to fraction form
    360,274.56/540,220.68 = 180,162.96/x
  3. Step 3: Cross multiply
    360,274.56x = 540,220.68 × 180,162.96
  4. Step 4: Simplify right side
    360,274.56x = 97,327,756,762.01
  5. Step 5: Solve for x
    x = 97,327,756,762.01/360,274.56
  6. Step 6: Final answer
    x = 270,148.85

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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.