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Finding the Fourth Proportional to 473,098.93, 708,921.92 and 321,098.58

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Solution

The fourth proportional to 473,098.93, 708,921.92 and 321,098.58 is: 481,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,098.93 : 708,921.92 = 321,098.58 : x
  2. Step 2: Convert to fraction form
    473,098.93/708,921.92 = 321,098.58/x
  3. Step 3: Cross multiply
    473,098.93x = 708,921.92 × 321,098.58
  4. Step 4: Simplify right side
    473,098.93x = 227,633,822,645.62
  5. Step 5: Solve for x
    x = 227,633,822,645.62/473,098.93
  6. Step 6: Final answer
    x = 481,154.81

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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.