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Finding the Fourth Proportional to 577,910.20, 866,606.10 and 262,204.60

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Solution

The fourth proportional to 577,910.20, 866,606.10 and 262,204.60 is: 393,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,910.20 : 866,606.10 = 262,204.60 : x
  2. Step 2: Convert to fraction form
    577,910.20/866,606.10 = 262,204.60/x
  3. Step 3: Cross multiply
    577,910.20x = 866,606.10 × 262,204.60
  4. Step 4: Simplify right side
    577,910.20x = 227,228,105,808.06
  5. Step 5: Solve for x
    x = 227,228,105,808.06/577,910.20
  6. Step 6: Final answer
    x = 393,189.30

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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.