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Finding the Fourth Proportional to 362,996.80, 544,495.20 and 355,998.40

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Solution

The fourth proportional to 362,996.80, 544,495.20 and 355,998.40 is: 533,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,996.80 : 544,495.20 = 355,998.40 : x
  2. Step 2: Convert to fraction form
    362,996.80/544,495.20 = 355,998.40/x
  3. Step 3: Cross multiply
    362,996.80x = 544,495.20 × 355,998.40
  4. Step 4: Simplify right side
    362,996.80x = 193,839,420,007.68
  5. Step 5: Solve for x
    x = 193,839,420,007.68/362,996.80
  6. Step 6: Final answer
    x = 533,997.60

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Similar ratio
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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.