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Finding the Fourth Proportional to 353,170.80, 529,295.40 and 163,609.20

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Solution

The fourth proportional to 353,170.80, 529,295.40 and 163,609.20 is: 245,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,170.80 : 529,295.40 = 163,609.20 : x
  2. Step 2: Convert to fraction form
    353,170.80/529,295.40 = 163,609.20/x
  3. Step 3: Cross multiply
    353,170.80x = 529,295.40 × 163,609.20
  4. Step 4: Simplify right side
    353,170.80x = 86,597,596,957.68
  5. Step 5: Solve for x
    x = 86,597,596,957.68/353,170.80
  6. Step 6: Final answer
    x = 245,200.33

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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.