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Finding the Fourth Proportional to 362,418.80, 543,628.20 and 96,220.40

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Solution

The fourth proportional to 362,418.80, 543,628.20 and 96,220.40 is: 144,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,418.80 : 543,628.20 = 96,220.40 : x
  2. Step 2: Convert to fraction form
    362,418.80/543,628.20 = 96,220.40/x
  3. Step 3: Cross multiply
    362,418.80x = 543,628.20 × 96,220.40
  4. Step 4: Simplify right side
    362,418.80x = 52,308,122,855.28
  5. Step 5: Solve for x
    x = 52,308,122,855.28/362,418.80
  6. Step 6: Final answer
    x = 144,330.60

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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.