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Finding the Fourth Proportional to 662,592.80, 993,897.84 and 189,293.60

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Solution

The fourth proportional to 662,592.80, 993,897.84 and 189,293.60 is: 283,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,592.80 : 993,897.84 = 189,293.60 : x
  2. Step 2: Convert to fraction form
    662,592.80/993,897.84 = 189,293.60/x
  3. Step 3: Cross multiply
    662,592.80x = 993,897.84 × 189,293.60
  4. Step 4: Simplify right side
    662,592.80x = 188,138,500,165.82
  5. Step 5: Solve for x
    x = 188,138,500,165.82/662,592.80
  6. Step 6: Final answer
    x = 283,942.87

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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.