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Finding the Fourth Proportional to 507,896.33, 700,893.05 and 278,450.87

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Solution

The fourth proportional to 507,896.33, 700,893.05 and 278,450.87 is: 384,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,896.33 : 700,893.05 = 278,450.87 : x
  2. Step 2: Convert to fraction form
    507,896.33/700,893.05 = 278,450.87/x
  3. Step 3: Cross multiply
    507,896.33x = 700,893.05 × 278,450.87
  4. Step 4: Simplify right side
    507,896.33x = 195,164,274,652.73
  5. Step 5: Solve for x
    x = 195,164,274,652.73/507,896.33
  6. Step 6: Final answer
    x = 384,260.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.