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Finding the Fourth Proportional to 482,861.70, 724,004.55 and 296,007.30

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Solution

The fourth proportional to 482,861.70, 724,004.55 and 296,007.30 is: 443,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,861.70 : 724,004.55 = 296,007.30 : x
  2. Step 2: Convert to fraction form
    482,861.70/724,004.55 = 296,007.30/x
  3. Step 3: Cross multiply
    482,861.70x = 724,004.55 × 296,007.30
  4. Step 4: Simplify right side
    482,861.70x = 214,310,632,033.22
  5. Step 5: Solve for x
    x = 214,310,632,033.22/482,861.70
  6. Step 6: Final answer
    x = 443,834.40

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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.