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Finding the Fourth Proportional to 217,903.63, 300,011.82 and 185,944.27

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Solution

The fourth proportional to 217,903.63, 300,011.82 and 185,944.27 is: 256,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,903.63 : 300,011.82 = 185,944.27 : x
  2. Step 2: Convert to fraction form
    217,903.63/300,011.82 = 185,944.27/x
  3. Step 3: Cross multiply
    217,903.63x = 300,011.82 × 185,944.27
  4. Step 4: Simplify right side
    217,903.63x = 55,785,478,861.27
  5. Step 5: Solve for x
    x = 55,785,478,861.27/217,903.63
  6. Step 6: Final answer
    x = 256,009.86

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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.