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Finding the Fourth Proportional to 447,343.71, 671,310.81 and 237,129.27

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Solution

The fourth proportional to 447,343.71, 671,310.81 and 237,129.27 is: 355,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,343.71 : 671,310.81 = 237,129.27 : x
  2. Step 2: Convert to fraction form
    447,343.71/671,310.81 = 237,129.27/x
  3. Step 3: Cross multiply
    447,343.71x = 671,310.81 × 237,129.27
  4. Step 4: Simplify right side
    447,343.71x = 159,187,439,800.99
  5. Step 5: Solve for x
    x = 159,187,439,800.99/447,343.71
  6. Step 6: Final answer
    x = 355,850.41

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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.