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Finding the Fourth Proportional to 328,801.58, 453,697.52 and 199,672.90

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Solution

The fourth proportional to 328,801.58, 453,697.52 and 199,672.90 is: 275,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,801.58 : 453,697.52 = 199,672.90 : x
  2. Step 2: Convert to fraction form
    328,801.58/453,697.52 = 199,672.90/x
  3. Step 3: Cross multiply
    328,801.58x = 453,697.52 × 199,672.90
  4. Step 4: Simplify right side
    328,801.58x = 90,591,099,541.21
  5. Step 5: Solve for x
    x = 90,591,099,541.21/328,801.58
  6. Step 6: Final answer
    x = 275,519.05

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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.