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Finding the Fourth Proportional to 677,435.28, 934,873.56 and 371,493.44

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Solution

The fourth proportional to 677,435.28, 934,873.56 and 371,493.44 is: 512,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,435.28 : 934,873.56 = 371,493.44 : x
  2. Step 2: Convert to fraction form
    677,435.28/934,873.56 = 371,493.44/x
  3. Step 3: Cross multiply
    677,435.28x = 934,873.56 × 371,493.44
  4. Step 4: Simplify right side
    677,435.28x = 347,299,394,769.45
  5. Step 5: Solve for x
    x = 347,299,394,769.45/677,435.28
  6. Step 6: Final answer
    x = 512,668.01

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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.