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Finding the Fourth Proportional to 609,750.20, 914,625.30 and 189,068.60

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Solution

The fourth proportional to 609,750.20, 914,625.30 and 189,068.60 is: 283,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,750.20 : 914,625.30 = 189,068.60 : x
  2. Step 2: Convert to fraction form
    609,750.20/914,625.30 = 189,068.60/x
  3. Step 3: Cross multiply
    609,750.20x = 914,625.30 × 189,068.60
  4. Step 4: Simplify right side
    609,750.20x = 172,926,924,995.58
  5. Step 5: Solve for x
    x = 172,926,924,995.58/609,750.20
  6. Step 6: Final answer
    x = 283,602.90

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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.