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Finding the Fourth Proportional to 503,499.15, 755,258.81 and 187,893.09

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Solution

The fourth proportional to 503,499.15, 755,258.81 and 187,893.09 is: 281,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,499.15 : 755,258.81 = 187,893.09 : x
  2. Step 2: Convert to fraction form
    503,499.15/755,258.81 = 187,893.09/x
  3. Step 3: Cross multiply
    503,499.15x = 755,258.81 × 187,893.09
  4. Step 4: Simplify right side
    503,499.15x = 141,907,910,621.16
  5. Step 5: Solve for x
    x = 141,907,910,621.16/503,499.15
  6. Step 6: Final answer
    x = 281,843.40

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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.