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Finding the Fourth Proportional to 192,431.70, 288,647.55 and 183,246.30

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Solution

The fourth proportional to 192,431.70, 288,647.55 and 183,246.30 is: 274,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,431.70 : 288,647.55 = 183,246.30 : x
  2. Step 2: Convert to fraction form
    192,431.70/288,647.55 = 183,246.30/x
  3. Step 3: Cross multiply
    192,431.70x = 288,647.55 × 183,246.30
  4. Step 4: Simplify right side
    192,431.70x = 52,893,595,541.57
  5. Step 5: Solve for x
    x = 52,893,595,541.57/192,431.70
  6. Step 6: Final answer
    x = 274,869.45

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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.