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Finding the Fourth Proportional to 609,546.90, 914,349.15 and 189,117.30

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Solution

The fourth proportional to 609,546.90, 914,349.15 and 189,117.30 is: 283,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,546.90 : 914,349.15 = 189,117.30 : x
  2. Step 2: Convert to fraction form
    609,546.90/914,349.15 = 189,117.30/x
  3. Step 3: Cross multiply
    609,546.90x = 914,349.15 × 189,117.30
  4. Step 4: Simplify right side
    609,546.90x = 172,919,242,505.30
  5. Step 5: Solve for x
    x = 172,919,242,505.30/609,546.90
  6. Step 6: Final answer
    x = 283,684.89

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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.