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Finding the Fourth Proportional to 474,672.94, 655,050 and 259,814.68

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Solution

The fourth proportional to 474,672.94, 655,050 and 259,814.68 is: 358,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,672.94 : 655,050 = 259,814.68 : x
  2. Step 2: Convert to fraction form
    474,672.94/655,050 = 259,814.68/x
  3. Step 3: Cross multiply
    474,672.94x = 655,050 × 259,814.68
  4. Step 4: Simplify right side
    474,672.94x = 170,191,606,134
  5. Step 5: Solve for x
    x = 170,191,606,134/474,672.94
  6. Step 6: Final answer
    x = 358,544.99

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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.