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Finding the Fourth Proportional to 662,112.54, 993,177.98 and 188,797.86

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Solution

The fourth proportional to 662,112.54, 993,177.98 and 188,797.86 is: 283,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,112.54 : 993,177.98 = 188,797.86 : x
  2. Step 2: Convert to fraction form
    662,112.54/993,177.98 = 188,797.86/x
  3. Step 3: Cross multiply
    662,112.54x = 993,177.98 × 188,797.86
  4. Step 4: Simplify right side
    662,112.54x = 187,509,876,279.13
  5. Step 5: Solve for x
    x = 187,509,876,279.13/662,112.54
  6. Step 6: Final answer
    x = 283,199.40

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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.