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Finding the Fourth Proportional to 283,851.34, 425,295.03 and 171,295.05

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Solution

The fourth proportional to 283,851.34, 425,295.03 and 171,295.05 is: 256,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,851.34 : 425,295.03 = 171,295.05 : x
  2. Step 2: Convert to fraction form
    283,851.34/425,295.03 = 171,295.05/x
  3. Step 3: Cross multiply
    283,851.34x = 425,295.03 × 171,295.05
  4. Step 4: Simplify right side
    283,851.34x = 72,850,931,191.39
  5. Step 5: Solve for x
    x = 72,850,931,191.39/283,851.34
  6. Step 6: Final answer
    x = 256,651.71

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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.