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Finding the Fourth Proportional to 473,133.17, 708,972.89 and 321,132.57

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Solution

The fourth proportional to 473,133.17, 708,972.89 and 321,132.57 is: 481,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,133.17 : 708,972.89 = 321,132.57 : x
  2. Step 2: Convert to fraction form
    473,133.17/708,972.89 = 321,132.57/x
  3. Step 3: Cross multiply
    473,133.17x = 708,972.89 × 321,132.57
  4. Step 4: Simplify right side
    473,133.17x = 227,674,284,620.36
  5. Step 5: Solve for x
    x = 227,674,284,620.36/473,133.17
  6. Step 6: Final answer
    x = 481,205.51

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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.