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Finding the Fourth Proportional to 329,862.70, 455,253.45 and 184,723.81

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Solution

The fourth proportional to 329,862.70, 455,253.45 and 184,723.81 is: 254,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,862.70 : 455,253.45 = 184,723.81 : x
  2. Step 2: Convert to fraction form
    329,862.70/455,253.45 = 184,723.81/x
  3. Step 3: Cross multiply
    329,862.70x = 455,253.45 × 184,723.81
  4. Step 4: Simplify right side
    329,862.70x = 84,096,151,799.64
  5. Step 5: Solve for x
    x = 84,096,151,799.64/329,862.70
  6. Step 6: Final answer
    x = 254,942.90

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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.