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Finding the Fourth Proportional to 526,388.64, 789,883.92 and 222,758.88

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Solution

The fourth proportional to 526,388.64, 789,883.92 and 222,758.88 is: 334,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,388.64 : 789,883.92 = 222,758.88 : x
  2. Step 2: Convert to fraction form
    526,388.64/789,883.92 = 222,758.88/x
  3. Step 3: Cross multiply
    526,388.64x = 789,883.92 × 222,758.88
  4. Step 4: Simplify right side
    526,388.64x = 175,953,657,349.21
  5. Step 5: Solve for x
    x = 175,953,657,349.21/526,388.64
  6. Step 6: Final answer
    x = 334,265.68

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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.