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Finding the Fourth Proportional to 534,636.80, 802,171.20 and 235,174.40

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Solution

The fourth proportional to 534,636.80, 802,171.20 and 235,174.40 is: 352,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,636.80 : 802,171.20 = 235,174.40 : x
  2. Step 2: Convert to fraction form
    534,636.80/802,171.20 = 235,174.40/x
  3. Step 3: Cross multiply
    534,636.80x = 802,171.20 × 235,174.40
  4. Step 4: Simplify right side
    534,636.80x = 188,650,130,657.28
  5. Step 5: Solve for x
    x = 188,650,130,657.28/534,636.80
  6. Step 6: Final answer
    x = 352,856.61

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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.