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Finding the Fourth Proportional to 364,371.27, 502,450.77 and 313,556.32

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Solution

The fourth proportional to 364,371.27, 502,450.77 and 313,556.32 is: 432,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,371.27 : 502,450.77 = 313,556.32 : x
  2. Step 2: Convert to fraction form
    364,371.27/502,450.77 = 313,556.32/x
  3. Step 3: Cross multiply
    364,371.27x = 502,450.77 × 313,556.32
  4. Step 4: Simplify right side
    364,371.27x = 157,546,614,422.37
  5. Step 5: Solve for x
    x = 157,546,614,422.37/364,371.27
  6. Step 6: Final answer
    x = 432,379.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.