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Finding the Fourth Proportional to 577,962.20, 866,943.30 and 203,936.60

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Solution

The fourth proportional to 577,962.20, 866,943.30 and 203,936.60 is: 305,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,962.20 : 866,943.30 = 203,936.60 : x
  2. Step 2: Convert to fraction form
    577,962.20/866,943.30 = 203,936.60/x
  3. Step 3: Cross multiply
    577,962.20x = 866,943.30 × 203,936.60
  4. Step 4: Simplify right side
    577,962.20x = 176,801,468,994.78
  5. Step 5: Solve for x
    x = 176,801,468,994.78/577,962.20
  6. Step 6: Final answer
    x = 305,904.90

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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.