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Finding the Fourth Proportional to 352,004.80, 528,007.20 and 174,539.20

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Solution

The fourth proportional to 352,004.80, 528,007.20 and 174,539.20 is: 261,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,004.80 : 528,007.20 = 174,539.20 : x
  2. Step 2: Convert to fraction form
    352,004.80/528,007.20 = 174,539.20/x
  3. Step 3: Cross multiply
    352,004.80x = 528,007.20 × 174,539.20
  4. Step 4: Simplify right side
    352,004.80x = 92,157,954,282.24
  5. Step 5: Solve for x
    x = 92,157,954,282.24/352,004.80
  6. Step 6: Final answer
    x = 261,808.80

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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.