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Finding the Fourth Proportional to 310,868.53, 466,302.80 and 205,662.94

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Solution

The fourth proportional to 310,868.53, 466,302.80 and 205,662.94 is: 308,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,868.53 : 466,302.80 = 205,662.94 : x
  2. Step 2: Convert to fraction form
    310,868.53/466,302.80 = 205,662.94/x
  3. Step 3: Cross multiply
    310,868.53x = 466,302.80 × 205,662.94
  4. Step 4: Simplify right side
    310,868.53x = 95,901,204,778.23
  5. Step 5: Solve for x
    x = 95,901,204,778.23/310,868.53
  6. Step 6: Final answer
    x = 308,494.41

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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.