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Finding the Fourth Proportional to 603,615.90, 905,423.85 and 182,912.70

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Solution

The fourth proportional to 603,615.90, 905,423.85 and 182,912.70 is: 274,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,615.90 : 905,423.85 = 182,912.70 : x
  2. Step 2: Convert to fraction form
    603,615.90/905,423.85 = 182,912.70/x
  3. Step 3: Cross multiply
    603,615.90x = 905,423.85 × 182,912.70
  4. Step 4: Simplify right side
    603,615.90x = 165,613,521,047.90
  5. Step 5: Solve for x
    x = 165,613,521,047.90/603,615.90
  6. Step 6: Final answer
    x = 274,369.05

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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.