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Finding the Fourth Proportional to 360,685.50, 540,676.65 and 150,383.58

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Solution

The fourth proportional to 360,685.50, 540,676.65 and 150,383.58 is: 225,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,685.50 : 540,676.65 = 150,383.58 : x
  2. Step 2: Convert to fraction form
    360,685.50/540,676.65 = 150,383.58/x
  3. Step 3: Cross multiply
    360,685.50x = 540,676.65 × 150,383.58
  4. Step 4: Simplify right side
    360,685.50x = 81,308,890,249.41
  5. Step 5: Solve for x
    x = 81,308,890,249.41/360,685.50
  6. Step 6: Final answer
    x = 225,428.77

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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.