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Finding the Fourth Proportional to 355,324.60, 532,295.70 and 214,665.40

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Solution

The fourth proportional to 355,324.60, 532,295.70 and 214,665.40 is: 321,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,324.60 : 532,295.70 = 214,665.40 : x
  2. Step 2: Convert to fraction form
    355,324.60/532,295.70 = 214,665.40/x
  3. Step 3: Cross multiply
    355,324.60x = 532,295.70 × 214,665.40
  4. Step 4: Simplify right side
    355,324.60x = 114,265,469,358.78
  5. Step 5: Solve for x
    x = 114,265,469,358.78/355,324.60
  6. Step 6: Final answer
    x = 321,580.52

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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.