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Finding the Fourth Proportional to 360,537.56, 540,424.96 and 135,800.76

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Solution

The fourth proportional to 360,537.56, 540,424.96 and 135,800.76 is: 203,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,537.56 : 540,424.96 = 135,800.76 : x
  2. Step 2: Convert to fraction form
    360,537.56/540,424.96 = 135,800.76/x
  3. Step 3: Cross multiply
    360,537.56x = 540,424.96 × 135,800.76
  4. Step 4: Simplify right side
    360,537.56x = 73,390,120,290.97
  5. Step 5: Solve for x
    x = 73,390,120,290.97/360,537.56
  6. Step 6: Final answer
    x = 203,557.49

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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.