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Finding the Fourth Proportional to 492,125.40, 738,188.10 and 332,693.10

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Solution

The fourth proportional to 492,125.40, 738,188.10 and 332,693.10 is: 499,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,125.40 : 738,188.10 = 332,693.10 : x
  2. Step 2: Convert to fraction form
    492,125.40/738,188.10 = 332,693.10/x
  3. Step 3: Cross multiply
    492,125.40x = 738,188.10 × 332,693.10
  4. Step 4: Simplify right side
    492,125.40x = 245,590,087,372.11
  5. Step 5: Solve for x
    x = 245,590,087,372.11/492,125.40
  6. Step 6: Final answer
    x = 499,039.65

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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.