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Finding the Fourth Proportional to 283,745.90, 424,867.95 and 171,275.78

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Solution

The fourth proportional to 283,745.90, 424,867.95 and 171,275.78 is: 256,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,745.90 : 424,867.95 = 171,275.78 : x
  2. Step 2: Convert to fraction form
    283,745.90/424,867.95 = 171,275.78/x
  3. Step 3: Cross multiply
    283,745.90x = 424,867.95 × 171,275.78
  4. Step 4: Simplify right side
    283,745.90x = 72,769,589,533.25
  5. Step 5: Solve for x
    x = 72,769,589,533.25/283,745.90
  6. Step 6: Final answer
    x = 256,460.41

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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.