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Finding the Fourth Proportional to 371,379.66, 557,276.46 and 200,597.92

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Solution

The fourth proportional to 371,379.66, 557,276.46 and 200,597.92 is: 301,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,379.66 : 557,276.46 = 200,597.92 : x
  2. Step 2: Convert to fraction form
    371,379.66/557,276.46 = 200,597.92/x
  3. Step 3: Cross multiply
    371,379.66x = 557,276.46 × 200,597.92
  4. Step 4: Simplify right side
    371,379.66x = 111,788,498,740.96
  5. Step 5: Solve for x
    x = 111,788,498,740.96/371,379.66
  6. Step 6: Final answer
    x = 301,008.67

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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.