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Finding the Fourth Proportional to 574,712.20, 862,068.30 and 200,686.60

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Solution

The fourth proportional to 574,712.20, 862,068.30 and 200,686.60 is: 301,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,712.20 : 862,068.30 = 200,686.60 : x
  2. Step 2: Convert to fraction form
    574,712.20/862,068.30 = 200,686.60/x
  3. Step 3: Cross multiply
    574,712.20x = 862,068.30 × 200,686.60
  4. Step 4: Simplify right side
    574,712.20x = 173,005,556,094.78
  5. Step 5: Solve for x
    x = 173,005,556,094.78/574,712.20
  6. Step 6: Final answer
    x = 301,029.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.