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Finding the Fourth Proportional to 444,683.85, 666,326.85 and 343,729.05

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Solution

The fourth proportional to 444,683.85, 666,326.85 and 343,729.05 is: 515,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,683.85 : 666,326.85 = 343,729.05 : x
  2. Step 2: Convert to fraction form
    444,683.85/666,326.85 = 343,729.05/x
  3. Step 3: Cross multiply
    444,683.85x = 666,326.85 × 343,729.05
  4. Step 4: Simplify right side
    444,683.85x = 229,035,895,139.99
  5. Step 5: Solve for x
    x = 229,035,895,139.99/444,683.85
  6. Step 6: Final answer
    x = 515,053.32

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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.