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Finding the Fourth Proportional to 308,709.94, 463,064.92 and 203,504.30

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Solution

The fourth proportional to 308,709.94, 463,064.92 and 203,504.30 is: 305,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,709.94 : 463,064.92 = 203,504.30 : x
  2. Step 2: Convert to fraction form
    308,709.94/463,064.92 = 203,504.30/x
  3. Step 3: Cross multiply
    308,709.94x = 463,064.92 × 203,504.30
  4. Step 4: Simplify right side
    308,709.94x = 94,235,702,399.16
  5. Step 5: Solve for x
    x = 94,235,702,399.16/308,709.94
  6. Step 6: Final answer
    x = 305,256.46

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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.