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Finding the Fourth Proportional to 352,021.20, 527,686.20 and 174,555.60

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Solution

The fourth proportional to 352,021.20, 527,686.20 and 174,555.60 is: 261,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,021.20 : 527,686.20 = 174,555.60 : x
  2. Step 2: Convert to fraction form
    352,021.20/527,686.20 = 174,555.60/x
  3. Step 3: Cross multiply
    352,021.20x = 527,686.20 × 174,555.60
  4. Step 4: Simplify right side
    352,021.20x = 92,110,581,252.72
  5. Step 5: Solve for x
    x = 92,110,581,252.72/352,021.20
  6. Step 6: Final answer
    x = 261,662.03

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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.