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Finding the Fourth Proportional to 507,081, 699,745.17 and 277,594.29

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Solution

The fourth proportional to 507,081, 699,745.17 and 277,594.29 is: 383,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,081 : 699,745.17 = 277,594.29 : x
  2. Step 2: Convert to fraction form
    507,081/699,745.17 = 277,594.29/x
  3. Step 3: Cross multiply
    507,081x = 699,745.17 × 277,594.29
  4. Step 4: Simplify right side
    507,081x = 194,245,263,647.08
  5. Step 5: Solve for x
    x = 194,245,263,647.08/507,081
  6. Step 6: Final answer
    x = 383,065.55

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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.