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Finding the Fourth Proportional to 507,410.26, 700,249.24 and 281,055.76

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Solution

The fourth proportional to 507,410.26, 700,249.24 and 281,055.76 is: 387,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,410.26 : 700,249.24 = 281,055.76 : x
  2. Step 2: Convert to fraction form
    507,410.26/700,249.24 = 281,055.76/x
  3. Step 3: Cross multiply
    507,410.26x = 700,249.24 × 281,055.76
  4. Step 4: Simplify right side
    507,410.26x = 196,809,082,337.62
  5. Step 5: Solve for x
    x = 196,809,082,337.62/507,410.26
  6. Step 6: Final answer
    x = 387,869.73

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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.