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Finding the Fourth Proportional to 969,445.64, 1,453,512.36 and 338,015

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Solution

The fourth proportional to 969,445.64, 1,453,512.36 and 338,015 is: 506,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,445.64 : 1,453,512.36 = 338,015 : x
  2. Step 2: Convert to fraction form
    969,445.64/1,453,512.36 = 338,015/x
  3. Step 3: Cross multiply
    969,445.64x = 1,453,512.36 × 338,015
  4. Step 4: Simplify right side
    969,445.64x = 491,308,980,365.40
  5. Step 5: Solve for x
    x = 491,308,980,365.40/969,445.64
  6. Step 6: Final answer
    x = 506,793.74

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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.