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Finding the Fourth Proportional to 447,341.70, 617,230.20 and 326,548.83

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Solution

The fourth proportional to 447,341.70, 617,230.20 and 326,548.83 is: 450,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,341.70 : 617,230.20 = 326,548.83 : x
  2. Step 2: Convert to fraction form
    447,341.70/617,230.20 = 326,548.83/x
  3. Step 3: Cross multiply
    447,341.70x = 617,230.20 × 326,548.83
  4. Step 4: Simplify right side
    447,341.70x = 201,555,799,650.67
  5. Step 5: Solve for x
    x = 201,555,799,650.67/447,341.70
  6. Step 6: Final answer
    x = 450,563.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.