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Finding the Fourth Proportional to 483,029.94, 724,676.13 and 343,674.30

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Solution

The fourth proportional to 483,029.94, 724,676.13 and 343,674.30 is: 515,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,029.94 : 724,676.13 = 343,674.30 : x
  2. Step 2: Convert to fraction form
    483,029.94/724,676.13 = 343,674.30/x
  3. Step 3: Cross multiply
    483,029.94x = 724,676.13 × 343,674.30
  4. Step 4: Simplify right side
    483,029.94x = 249,052,561,704.46
  5. Step 5: Solve for x
    x = 249,052,561,704.46/483,029.94
  6. Step 6: Final answer
    x = 515,604.81

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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.