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Finding the Fourth Proportional to 229,969.70, 344,954.55 and 219,083.30

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Solution

The fourth proportional to 229,969.70, 344,954.55 and 219,083.30 is: 328,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,969.70 : 344,954.55 = 219,083.30 : x
  2. Step 2: Convert to fraction form
    229,969.70/344,954.55 = 219,083.30/x
  3. Step 3: Cross multiply
    229,969.70x = 344,954.55 × 219,083.30
  4. Step 4: Simplify right side
    229,969.70x = 75,573,781,164.02
  5. Step 5: Solve for x
    x = 75,573,781,164.02/229,969.70
  6. Step 6: Final answer
    x = 328,624.95

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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.