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Finding the Fourth Proportional to 483,591.96, 725,466.48 and 146,553.72

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Solution

The fourth proportional to 483,591.96, 725,466.48 and 146,553.72 is: 219,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,591.96 : 725,466.48 = 146,553.72 : x
  2. Step 2: Convert to fraction form
    483,591.96/725,466.48 = 146,553.72/x
  3. Step 3: Cross multiply
    483,591.96x = 725,466.48 × 146,553.72
  4. Step 4: Simplify right side
    483,591.96x = 106,319,811,379.31
  5. Step 5: Solve for x
    x = 106,319,811,379.31/483,591.96
  6. Step 6: Final answer
    x = 219,854.38

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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.