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Finding the Fourth Proportional to 526,384.64, 789,877.92 and 222,754.88

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Solution

The fourth proportional to 526,384.64, 789,877.92 and 222,754.88 is: 334,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,384.64 : 789,877.92 = 222,754.88 : x
  2. Step 2: Convert to fraction form
    526,384.64/789,877.92 = 222,754.88/x
  3. Step 3: Cross multiply
    526,384.64x = 789,877.92 × 222,754.88
  4. Step 4: Simplify right side
    526,384.64x = 175,949,161,284.25
  5. Step 5: Solve for x
    x = 175,949,161,284.25/526,384.64
  6. Step 6: Final answer
    x = 334,259.68

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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.