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Finding the Fourth Proportional to 356,243.60, 533,620.20 and 166,865.60

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Solution

The fourth proportional to 356,243.60, 533,620.20 and 166,865.60 is: 249,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,243.60 : 533,620.20 = 166,865.60 : x
  2. Step 2: Convert to fraction form
    356,243.60/533,620.20 = 166,865.60/x
  3. Step 3: Cross multiply
    356,243.60x = 533,620.20 × 166,865.60
  4. Step 4: Simplify right side
    356,243.60x = 89,042,854,845.12
  5. Step 5: Solve for x
    x = 89,042,854,845.12/356,243.60
  6. Step 6: Final answer
    x = 249,949.35

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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.