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Finding the Fourth Proportional to 526,508.73, 789,107.85 and 256,416.03

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Solution

The fourth proportional to 526,508.73, 789,107.85 and 256,416.03 is: 384,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,508.73 : 789,107.85 = 256,416.03 : x
  2. Step 2: Convert to fraction form
    526,508.73/789,107.85 = 256,416.03/x
  3. Step 3: Cross multiply
    526,508.73x = 789,107.85 × 256,416.03
  4. Step 4: Simplify right side
    526,508.73x = 202,339,902,138.84
  5. Step 5: Solve for x
    x = 202,339,902,138.84/526,508.73
  6. Step 6: Final answer
    x = 384,304.93

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1.5x scale

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.