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Finding the Fourth Proportional to 662,294.98, 993,443.48 and 188,980.34

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Solution

The fourth proportional to 662,294.98, 993,443.48 and 188,980.34 is: 283,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,294.98 : 993,443.48 = 188,980.34 : x
  2. Step 2: Convert to fraction form
    662,294.98/993,443.48 = 188,980.34/x
  3. Step 3: Cross multiply
    662,294.98x = 993,443.48 × 188,980.34
  4. Step 4: Simplify right side
    662,294.98x = 187,741,288,068.87
  5. Step 5: Solve for x
    x = 187,741,288,068.87/662,294.98
  6. Step 6: Final answer
    x = 283,470.80

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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.