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Finding the Fourth Proportional to 432,861.37, 649,292.05 and 117,318.27

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Solution

The fourth proportional to 432,861.37, 649,292.05 and 117,318.27 is: 175,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,861.37 : 649,292.05 = 117,318.27 : x
  2. Step 2: Convert to fraction form
    432,861.37/649,292.05 = 117,318.27/x
  3. Step 3: Cross multiply
    432,861.37x = 649,292.05 × 117,318.27
  4. Step 4: Simplify right side
    432,861.37x = 76,173,822,612.25
  5. Step 5: Solve for x
    x = 76,173,822,612.25/432,861.37
  6. Step 6: Final answer
    x = 175,977.41

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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.