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Finding the Fourth Proportional to 444,818.40, 667,227.60 and 423,045.60

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Solution

The fourth proportional to 444,818.40, 667,227.60 and 423,045.60 is: 634,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,818.40 : 667,227.60 = 423,045.60 : x
  2. Step 2: Convert to fraction form
    444,818.40/667,227.60 = 423,045.60/x
  3. Step 3: Cross multiply
    444,818.40x = 667,227.60 × 423,045.60
  4. Step 4: Simplify right side
    444,818.40x = 282,267,700,378.56
  5. Step 5: Solve for x
    x = 282,267,700,378.56/444,818.40
  6. Step 6: Final answer
    x = 634,568.40

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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.