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Finding the Fourth Proportional to 444,823.80, 667,235.70 and 433,159.80

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Solution

The fourth proportional to 444,823.80, 667,235.70 and 433,159.80 is: 649,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,823.80 : 667,235.70 = 433,159.80 : x
  2. Step 2: Convert to fraction form
    444,823.80/667,235.70 = 433,159.80/x
  3. Step 3: Cross multiply
    444,823.80x = 667,235.70 × 433,159.80
  4. Step 4: Simplify right side
    444,823.80x = 289,019,682,364.86
  5. Step 5: Solve for x
    x = 289,019,682,364.86/444,823.80
  6. Step 6: Final answer
    x = 649,739.70

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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.