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Finding the Fourth Proportional to 474,707.48, 655,096.26 and 259,847.68

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Solution

The fourth proportional to 474,707.48, 655,096.26 and 259,847.68 is: 358,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,707.48 : 655,096.26 = 259,847.68 : x
  2. Step 2: Convert to fraction form
    474,707.48/655,096.26 = 259,847.68/x
  3. Step 3: Cross multiply
    474,707.48x = 655,096.26 × 259,847.68
  4. Step 4: Simplify right side
    474,707.48x = 170,225,243,337.68
  5. Step 5: Solve for x
    x = 170,225,243,337.68/474,707.48
  6. Step 6: Final answer
    x = 358,589.76

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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.