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Finding the Fourth Proportional to 451,772.25, 623,434.50 and 258,167.67

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Solution

The fourth proportional to 451,772.25, 623,434.50 and 258,167.67 is: 356,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,772.25 : 623,434.50 = 258,167.67 : x
  2. Step 2: Convert to fraction form
    451,772.25/623,434.50 = 258,167.67/x
  3. Step 3: Cross multiply
    451,772.25x = 623,434.50 × 258,167.67
  4. Step 4: Simplify right side
    451,772.25x = 160,950,632,262.62
  5. Step 5: Solve for x
    x = 160,950,632,262.62/451,772.25
  6. Step 6: Final answer
    x = 356,264.98

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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.