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Finding the Fourth Proportional to 574,863.25, 793,335.81 and 320,214.55

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Solution

The fourth proportional to 574,863.25, 793,335.81 and 320,214.55 is: 441,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,863.25 : 793,335.81 = 320,214.55 : x
  2. Step 2: Convert to fraction form
    574,863.25/793,335.81 = 320,214.55/x
  3. Step 3: Cross multiply
    574,863.25x = 793,335.81 × 320,214.55
  4. Step 4: Simplify right side
    574,863.25x = 254,037,669,398.04
  5. Step 5: Solve for x
    x = 254,037,669,398.04/574,863.25
  6. Step 6: Final answer
    x = 441,909.74

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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.