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Finding the Fourth Proportional to 229,224.60, 343,836.90 and 225,725.40

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Solution

The fourth proportional to 229,224.60, 343,836.90 and 225,725.40 is: 338,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,224.60 : 343,836.90 = 225,725.40 : x
  2. Step 2: Convert to fraction form
    229,224.60/343,836.90 = 225,725.40/x
  3. Step 3: Cross multiply
    229,224.60x = 343,836.90 × 225,725.40
  4. Step 4: Simplify right side
    229,224.60x = 77,612,721,787.26
  5. Step 5: Solve for x
    x = 77,612,721,787.26/229,224.60
  6. Step 6: Final answer
    x = 338,588.10

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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.