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Finding the Fourth Proportional to 332,379.90, 498,569.85 and 295,638.30

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Solution

The fourth proportional to 332,379.90, 498,569.85 and 295,638.30 is: 443,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,379.90 : 498,569.85 = 295,638.30 : x
  2. Step 2: Convert to fraction form
    332,379.90/498,569.85 = 295,638.30/x
  3. Step 3: Cross multiply
    332,379.90x = 498,569.85 × 295,638.30
  4. Step 4: Simplify right side
    332,379.90x = 147,396,342,885.26
  5. Step 5: Solve for x
    x = 147,396,342,885.26/332,379.90
  6. Step 6: Final answer
    x = 443,457.45

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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.