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Finding the Fourth Proportional to 444,833.40, 667,298.70 and 430,836.60

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Solution

The fourth proportional to 444,833.40, 667,298.70 and 430,836.60 is: 646,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,833.40 : 667,298.70 = 430,836.60 : x
  2. Step 2: Convert to fraction form
    444,833.40/667,298.70 = 430,836.60/x
  3. Step 3: Cross multiply
    444,833.40x = 667,298.70 × 430,836.60
  4. Step 4: Simplify right side
    444,833.40x = 287,496,703,092.42
  5. Step 5: Solve for x
    x = 287,496,703,092.42/444,833.40
  6. Step 6: Final answer
    x = 646,301.97

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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.