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Finding the Fourth Proportional to 322,347.36, 483,596.70 and 316,991.97

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Solution

The fourth proportional to 322,347.36, 483,596.70 and 316,991.97 is: 475,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,347.36 : 483,596.70 = 316,991.97 : x
  2. Step 2: Convert to fraction form
    322,347.36/483,596.70 = 316,991.97/x
  3. Step 3: Cross multiply
    322,347.36x = 483,596.70 × 316,991.97
  4. Step 4: Simplify right side
    322,347.36x = 153,296,270,618.50
  5. Step 5: Solve for x
    x = 153,296,270,618.50/322,347.36
  6. Step 6: Final answer
    x = 475,562.36

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1.5x scale

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.