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Finding the Fourth Proportional to 468,051.30, 702,076.95 and 231,855.30

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Solution

The fourth proportional to 468,051.30, 702,076.95 and 231,855.30 is: 347,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,051.30 : 702,076.95 = 231,855.30 : x
  2. Step 2: Convert to fraction form
    468,051.30/702,076.95 = 231,855.30/x
  3. Step 3: Cross multiply
    468,051.30x = 702,076.95 × 231,855.30
  4. Step 4: Simplify right side
    468,051.30x = 162,780,261,865.34
  5. Step 5: Solve for x
    x = 162,780,261,865.34/468,051.30
  6. Step 6: Final answer
    x = 347,782.95

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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.