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Finding the Fourth Proportional to 492,083.40, 738,125.10 and 159,659.40

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Solution

The fourth proportional to 492,083.40, 738,125.10 and 159,659.40 is: 239,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,083.40 : 738,125.10 = 159,659.40 : x
  2. Step 2: Convert to fraction form
    492,083.40/738,125.10 = 159,659.40/x
  3. Step 3: Cross multiply
    492,083.40x = 738,125.10 × 159,659.40
  4. Step 4: Simplify right side
    492,083.40x = 117,848,610,590.94
  5. Step 5: Solve for x
    x = 117,848,610,590.94/492,083.40
  6. Step 6: Final answer
    x = 239,489.10

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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.