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Finding the Fourth Proportional to 508,103.56, 701,151.42 and 281,749.06

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Solution

The fourth proportional to 508,103.56, 701,151.42 and 281,749.06 is: 388,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,103.56 : 701,151.42 = 281,749.06 : x
  2. Step 2: Convert to fraction form
    508,103.56/701,151.42 = 281,749.06/x
  3. Step 3: Cross multiply
    508,103.56x = 701,151.42 × 281,749.06
  4. Step 4: Simplify right side
    508,103.56x = 197,548,753,502.67
  5. Step 5: Solve for x
    x = 197,548,753,502.67/508,103.56
  6. Step 6: Final answer
    x = 388,796.24

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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.