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Finding the Fourth Proportional to 400,533.26, 600,384.56 and 250,428.92

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Solution

The fourth proportional to 400,533.26, 600,384.56 and 250,428.92 is: 375,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,533.26 : 600,384.56 = 250,428.92 : x
  2. Step 2: Convert to fraction form
    400,533.26/600,384.56 = 250,428.92/x
  3. Step 3: Cross multiply
    400,533.26x = 600,384.56 × 250,428.92
  4. Step 4: Simplify right side
    400,533.26x = 150,353,652,691.41
  5. Step 5: Solve for x
    x = 150,353,652,691.41/400,533.26
  6. Step 6: Final answer
    x = 375,383.69

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1.5x scale

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.