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Finding the Fourth Proportional to 562,308.30, 843,462.45 and 188,331.30

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Solution

The fourth proportional to 562,308.30, 843,462.45 and 188,331.30 is: 282,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,308.30 : 843,462.45 = 188,331.30 : x
  2. Step 2: Convert to fraction form
    562,308.30/843,462.45 = 188,331.30/x
  3. Step 3: Cross multiply
    562,308.30x = 843,462.45 × 188,331.30
  4. Step 4: Simplify right side
    562,308.30x = 158,850,379,709.69
  5. Step 5: Solve for x
    x = 158,850,379,709.69/562,308.30
  6. Step 6: Final answer
    x = 282,496.95

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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.