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Finding the Fourth Proportional to 664,528.04, 917,048.73 and 362,722.04

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Solution

The fourth proportional to 664,528.04, 917,048.73 and 362,722.04 is: 500,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,528.04 : 917,048.73 = 362,722.04 : x
  2. Step 2: Convert to fraction form
    664,528.04/917,048.73 = 362,722.04/x
  3. Step 3: Cross multiply
    664,528.04x = 917,048.73 × 362,722.04
  4. Step 4: Simplify right side
    664,528.04x = 332,633,781,539.77
  5. Step 5: Solve for x
    x = 332,633,781,539.77/664,528.04
  6. Step 6: Final answer
    x = 500,556.43

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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.