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Finding the Fourth Proportional to 565,793.12, 780,573.52 and 323,946.44

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Solution

The fourth proportional to 565,793.12, 780,573.52 and 323,946.44 is: 446,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,793.12 : 780,573.52 = 323,946.44 : x
  2. Step 2: Convert to fraction form
    565,793.12/780,573.52 = 323,946.44/x
  3. Step 3: Cross multiply
    565,793.12x = 780,573.52 × 323,946.44
  4. Step 4: Simplify right side
    565,793.12x = 252,864,012,962.27
  5. Step 5: Solve for x
    x = 252,864,012,962.27/565,793.12
  6. Step 6: Final answer
    x = 446,919.56

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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.