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Finding the Fourth Proportional to 360,196.74, 540,574.02 and 135,761.33

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Solution

The fourth proportional to 360,196.74, 540,574.02 and 135,761.33 is: 203,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,196.74 : 540,574.02 = 135,761.33 : x
  2. Step 2: Convert to fraction form
    360,196.74/540,574.02 = 135,761.33/x
  3. Step 3: Cross multiply
    360,196.74x = 540,574.02 × 135,761.33
  4. Step 4: Simplify right side
    360,196.74x = 73,389,049,270.08
  5. Step 5: Solve for x
    x = 73,389,049,270.08/360,196.74
  6. Step 6: Final answer
    x = 203,747.12

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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.