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Finding the Fourth Proportional to 474,814.96, 655,245.30 and 259,956.52

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Solution

The fourth proportional to 474,814.96, 655,245.30 and 259,956.52 is: 358,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,814.96 : 655,245.30 = 259,956.52 : x
  2. Step 2: Convert to fraction form
    474,814.96/655,245.30 = 259,956.52/x
  3. Step 3: Cross multiply
    474,814.96x = 655,245.30 × 259,956.52
  4. Step 4: Simplify right side
    474,814.96x = 170,335,287,934.36
  5. Step 5: Solve for x
    x = 170,335,287,934.36/474,814.96
  6. Step 6: Final answer
    x = 358,740.36

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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.