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Finding the Fourth Proportional to 363,844.80, 546,091.20 and 213,897.60

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Solution

The fourth proportional to 363,844.80, 546,091.20 and 213,897.60 is: 321,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,844.80 : 546,091.20 = 213,897.60 : x
  2. Step 2: Convert to fraction form
    363,844.80/546,091.20 = 213,897.60/x
  3. Step 3: Cross multiply
    363,844.80x = 546,091.20 × 213,897.60
  4. Step 4: Simplify right side
    363,844.80x = 116,807,597,061.12
  5. Step 5: Solve for x
    x = 116,807,597,061.12/363,844.80
  6. Step 6: Final answer
    x = 321,036.87

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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.