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Finding the Fourth Proportional to 662,302.43, 993,462.75 and 188,987.64

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Solution

The fourth proportional to 662,302.43, 993,462.75 and 188,987.64 is: 283,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,302.43 : 993,462.75 = 188,987.64 : x
  2. Step 2: Convert to fraction form
    662,302.43/993,462.75 = 188,987.64/x
  3. Step 3: Cross multiply
    662,302.43x = 993,462.75 × 188,987.64
  4. Step 4: Simplify right side
    662,302.43x = 187,752,180,550.41
  5. Step 5: Solve for x
    x = 187,752,180,550.41/662,302.43
  6. Step 6: Final answer
    x = 283,484.06

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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.