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Finding the Fourth Proportional to 360,116.44, 540,200.94 and 123,457.12

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Solution

The fourth proportional to 360,116.44, 540,200.94 and 123,457.12 is: 185,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,116.44 : 540,200.94 = 123,457.12 : x
  2. Step 2: Convert to fraction form
    360,116.44/540,200.94 = 123,457.12/x
  3. Step 3: Cross multiply
    360,116.44x = 540,200.94 × 123,457.12
  4. Step 4: Simplify right side
    360,116.44x = 66,691,652,273.69
  5. Step 5: Solve for x
    x = 66,691,652,273.69/360,116.44
  6. Step 6: Final answer
    x = 185,194.69

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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.