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Finding the Fourth Proportional to 325,532.80, 449,224.80 and 180,332.60

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Solution

The fourth proportional to 325,532.80, 449,224.80 and 180,332.60 is: 248,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,532.80 : 449,224.80 = 180,332.60 : x
  2. Step 2: Convert to fraction form
    325,532.80/449,224.80 = 180,332.60/x
  3. Step 3: Cross multiply
    325,532.80x = 449,224.80 × 180,332.60
  4. Step 4: Simplify right side
    325,532.80x = 81,009,876,168.48
  5. Step 5: Solve for x
    x = 81,009,876,168.48/325,532.80
  6. Step 6: Final answer
    x = 248,853.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.