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Finding the Fourth Proportional to 679,080.30, 936,194.39 and 541,725.41

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Solution

The fourth proportional to 679,080.30, 936,194.39 and 541,725.41 is: 746,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,080.30 : 936,194.39 = 541,725.41 : x
  2. Step 2: Convert to fraction form
    679,080.30/936,194.39 = 541,725.41/x
  3. Step 3: Cross multiply
    679,080.30x = 936,194.39 × 541,725.41
  4. Step 4: Simplify right side
    679,080.30x = 507,160,287,915.05
  5. Step 5: Solve for x
    x = 507,160,287,915.05/679,080.30
  6. Step 6: Final answer
    x = 746,834.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.