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Finding the Fourth Proportional to 474,587.51, 654,628.43 and 331,295.27

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Solution

The fourth proportional to 474,587.51, 654,628.43 and 331,295.27 is: 456,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,587.51 : 654,628.43 = 331,295.27 : x
  2. Step 2: Convert to fraction form
    474,587.51/654,628.43 = 331,295.27/x
  3. Step 3: Cross multiply
    474,587.51x = 654,628.43 × 331,295.27
  4. Step 4: Simplify right side
    474,587.51x = 216,875,300,021.62
  5. Step 5: Solve for x
    x = 216,875,300,021.62/474,587.51
  6. Step 6: Final answer
    x = 456,976.42

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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.