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Finding the Fourth Proportional to 460,620.30, 690,930.45 and 161,001.30

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Solution

The fourth proportional to 460,620.30, 690,930.45 and 161,001.30 is: 241,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,620.30 : 690,930.45 = 161,001.30 : x
  2. Step 2: Convert to fraction form
    460,620.30/690,930.45 = 161,001.30/x
  3. Step 3: Cross multiply
    460,620.30x = 690,930.45 × 161,001.30
  4. Step 4: Simplify right side
    460,620.30x = 111,240,700,659.59
  5. Step 5: Solve for x
    x = 111,240,700,659.59/460,620.30
  6. Step 6: Final answer
    x = 241,501.95

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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.