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Finding the Fourth Proportional to 633,035.28, 948,879.48 and 433,299.60

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Solution

The fourth proportional to 633,035.28, 948,879.48 and 433,299.60 is: 649,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,035.28 : 948,879.48 = 433,299.60 : x
  2. Step 2: Convert to fraction form
    633,035.28/948,879.48 = 433,299.60/x
  3. Step 3: Cross multiply
    633,035.28x = 948,879.48 × 433,299.60
  4. Step 4: Simplify right side
    633,035.28x = 411,149,099,132.21
  5. Step 5: Solve for x
    x = 411,149,099,132.21/633,035.28
  6. Step 6: Final answer
    x = 649,488.44

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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.