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Finding the Fourth Proportional to 577,234.20, 865,851.30 and 203,208.60

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Solution

The fourth proportional to 577,234.20, 865,851.30 and 203,208.60 is: 304,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,234.20 : 865,851.30 = 203,208.60 : x
  2. Step 2: Convert to fraction form
    577,234.20/865,851.30 = 203,208.60/x
  3. Step 3: Cross multiply
    577,234.20x = 865,851.30 × 203,208.60
  4. Step 4: Simplify right side
    577,234.20x = 175,948,430,481.18
  5. Step 5: Solve for x
    x = 175,948,430,481.18/577,234.20
  6. Step 6: Final answer
    x = 304,812.90

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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.