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Finding the Fourth Proportional to 507,791.24, 700,752.48 and 281,436.92

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Solution

The fourth proportional to 507,791.24, 700,752.48 and 281,436.92 is: 388,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,791.24 : 700,752.48 = 281,436.92 : x
  2. Step 2: Convert to fraction form
    507,791.24/700,752.48 = 281,436.92/x
  3. Step 3: Cross multiply
    507,791.24x = 700,752.48 × 281,436.92
  4. Step 4: Simplify right side
    507,791.24x = 197,217,619,653.56
  5. Step 5: Solve for x
    x = 197,217,619,653.56/507,791.24
  6. Step 6: Final answer
    x = 388,383.26

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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.