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Finding the Fourth Proportional to 662,314.41, 993,480.93 and 188,999.82

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Solution

The fourth proportional to 662,314.41, 993,480.93 and 188,999.82 is: 283,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,314.41 : 993,480.93 = 188,999.82 : x
  2. Step 2: Convert to fraction form
    662,314.41/993,480.93 = 188,999.82/x
  3. Step 3: Cross multiply
    662,314.41x = 993,480.93 × 188,999.82
  4. Step 4: Simplify right side
    662,314.41x = 187,767,716,943.43
  5. Step 5: Solve for x
    x = 187,767,716,943.43/662,314.41
  6. Step 6: Final answer
    x = 283,502.39

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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.