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Finding the Fourth Proportional to 550,429.55, 825,644.31 and 550,429.55

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Solution

The fourth proportional to 550,429.55, 825,644.31 and 550,429.55 is: 825,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,429.55 : 825,644.31 = 550,429.55 : x
  2. Step 2: Convert to fraction form
    550,429.55/825,644.31 = 550,429.55/x
  3. Step 3: Cross multiply
    550,429.55x = 825,644.31 × 550,429.55
  4. Step 4: Simplify right side
    550,429.55x = 454,459,021,885.14
  5. Step 5: Solve for x
    x = 454,459,021,885.14/550,429.55
  6. Step 6: Final answer
    x = 825,644.31

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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.