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Finding the Fourth Proportional to 575,304.96, 793,924.52 and 320,672.28

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Solution

The fourth proportional to 575,304.96, 793,924.52 and 320,672.28 is: 442,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,304.96 : 793,924.52 = 320,672.28 : x
  2. Step 2: Convert to fraction form
    575,304.96/793,924.52 = 320,672.28/x
  3. Step 3: Cross multiply
    575,304.96x = 793,924.52 × 320,672.28
  4. Step 4: Simplify right side
    575,304.96x = 254,589,585,976.31
  5. Step 5: Solve for x
    x = 254,589,585,976.31/575,304.96
  6. Step 6: Final answer
    x = 442,529.79

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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.