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Finding the Fourth Proportional to 291,996.74, 402,861.15 and 162,914.29

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Solution

The fourth proportional to 291,996.74, 402,861.15 and 162,914.29 is: 224,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,996.74 : 402,861.15 = 162,914.29 : x
  2. Step 2: Convert to fraction form
    291,996.74/402,861.15 = 162,914.29/x
  3. Step 3: Cross multiply
    291,996.74x = 402,861.15 × 162,914.29
  4. Step 4: Simplify right side
    291,996.74x = 65,631,837,213.68
  5. Step 5: Solve for x
    x = 65,631,837,213.68/291,996.74
  6. Step 6: Final answer
    x = 224,769.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.