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Finding the Fourth Proportional to 534,830.40, 802,245.60 and 234,992.70

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Solution

The fourth proportional to 534,830.40, 802,245.60 and 234,992.70 is: 352,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,830.40 : 802,245.60 = 234,992.70 : x
  2. Step 2: Convert to fraction form
    534,830.40/802,245.60 = 234,992.70/x
  3. Step 3: Cross multiply
    534,830.40x = 802,245.60 × 234,992.70
  4. Step 4: Simplify right side
    534,830.40x = 188,521,859,607.12
  5. Step 5: Solve for x
    x = 188,521,859,607.12/534,830.40
  6. Step 6: Final answer
    x = 352,489.05

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Similar ratio
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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.