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Finding the Fourth Proportional to 473,134.17, 708,974.38 and 321,133.57

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Solution

The fourth proportional to 473,134.17, 708,974.38 and 321,133.57 is: 481,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,134.17 : 708,974.38 = 321,133.57 : x
  2. Step 2: Convert to fraction form
    473,134.17/708,974.38 = 321,133.57/x
  3. Step 3: Cross multiply
    473,134.17x = 708,974.38 × 321,133.57
  4. Step 4: Simplify right side
    473,134.17x = 227,675,473,687.94
  5. Step 5: Solve for x
    x = 227,675,473,687.94/473,134.17
  6. Step 6: Final answer
    x = 481,207.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.