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Finding the Fourth Proportional to 228,006.40, 341,491.20 and 144,025.60

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Solution

The fourth proportional to 228,006.40, 341,491.20 and 144,025.60 is: 215,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,006.40 : 341,491.20 = 144,025.60 : x
  2. Step 2: Convert to fraction form
    228,006.40/341,491.20 = 144,025.60/x
  3. Step 3: Cross multiply
    228,006.40x = 341,491.20 × 144,025.60
  4. Step 4: Simplify right side
    228,006.40x = 49,183,474,974.72
  5. Step 5: Solve for x
    x = 49,183,474,974.72/228,006.40
  6. Step 6: Final answer
    x = 215,710.94

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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.