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Finding the Fourth Proportional to 362,540.80, 543,811.20 and 96,342.40

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Solution

The fourth proportional to 362,540.80, 543,811.20 and 96,342.40 is: 144,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,540.80 : 543,811.20 = 96,342.40 : x
  2. Step 2: Convert to fraction form
    362,540.80/543,811.20 = 96,342.40/x
  3. Step 3: Cross multiply
    362,540.80x = 543,811.20 × 96,342.40
  4. Step 4: Simplify right side
    362,540.80x = 52,392,076,154.88
  5. Step 5: Solve for x
    x = 52,392,076,154.88/362,540.80
  6. Step 6: Final answer
    x = 144,513.60

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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.