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Finding the Fourth Proportional to 353,210.80, 529,816.20 and 329,882.80

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Solution

The fourth proportional to 353,210.80, 529,816.20 and 329,882.80 is: 494,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,210.80 : 529,816.20 = 329,882.80 : x
  2. Step 2: Convert to fraction form
    353,210.80/529,816.20 = 329,882.80/x
  3. Step 3: Cross multiply
    353,210.80x = 529,816.20 × 329,882.80
  4. Step 4: Simplify right side
    353,210.80x = 174,777,251,541.36
  5. Step 5: Solve for x
    x = 174,777,251,541.36/353,210.80
  6. Step 6: Final answer
    x = 494,824.20

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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.