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Finding the Fourth Proportional to 567,940.90, 851,911.35 and 168,643.30

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Solution

The fourth proportional to 567,940.90, 851,911.35 and 168,643.30 is: 252,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,940.90 : 851,911.35 = 168,643.30 : x
  2. Step 2: Convert to fraction form
    567,940.90/851,911.35 = 168,643.30/x
  3. Step 3: Cross multiply
    567,940.90x = 851,911.35 × 168,643.30
  4. Step 4: Simplify right side
    567,940.90x = 143,669,141,371.46
  5. Step 5: Solve for x
    x = 143,669,141,371.46/567,940.90
  6. Step 6: Final answer
    x = 252,964.95

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Similar ratio
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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.