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Finding the Fourth Proportional to 256,469.22, 354,026.30 and 229,564.26

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Solution

The fourth proportional to 256,469.22, 354,026.30 and 229,564.26 is: 316,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,469.22 : 354,026.30 = 229,564.26 : x
  2. Step 2: Convert to fraction form
    256,469.22/354,026.30 = 229,564.26/x
  3. Step 3: Cross multiply
    256,469.22x = 354,026.30 × 229,564.26
  4. Step 4: Simplify right side
    256,469.22x = 81,271,784,432.22
  5. Step 5: Solve for x
    x = 81,271,784,432.22/256,469.22
  6. Step 6: Final answer
    x = 316,887.09

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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.