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Finding the Fourth Proportional to 710,793.60, 1,066,375.04 and 212,157.44

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Solution

The fourth proportional to 710,793.60, 1,066,375.04 and 212,157.44 is: 318,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,793.60 : 1,066,375.04 = 212,157.44 : x
  2. Step 2: Convert to fraction form
    710,793.60/1,066,375.04 = 212,157.44/x
  3. Step 3: Cross multiply
    710,793.60x = 1,066,375.04 × 212,157.44
  4. Step 4: Simplify right side
    710,793.60x = 226,239,398,566.30
  5. Step 5: Solve for x
    x = 226,239,398,566.30/710,793.60
  6. Step 6: Final answer
    x = 318,291.27

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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.