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Finding the Fourth Proportional to 322,347.25, 483,596.51 and 316,991.83

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Solution

The fourth proportional to 322,347.25, 483,596.51 and 316,991.83 is: 475,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,347.25 : 483,596.51 = 316,991.83 : x
  2. Step 2: Convert to fraction form
    322,347.25/483,596.51 = 316,991.83/x
  3. Step 3: Cross multiply
    322,347.25x = 483,596.51 × 316,991.83
  4. Step 4: Simplify right side
    322,347.25x = 153,296,142,686.51
  5. Step 5: Solve for x
    x = 153,296,142,686.51/322,347.25
  6. Step 6: Final answer
    x = 475,562.12

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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.