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Finding the Fourth Proportional to 574,862.70, 793,335.04 and 320,214

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Solution

The fourth proportional to 574,862.70, 793,335.04 and 320,214 is: 441,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,862.70 : 793,335.04 = 320,214 : x
  2. Step 2: Convert to fraction form
    574,862.70/793,335.04 = 320,214/x
  3. Step 3: Cross multiply
    574,862.70x = 793,335.04 × 320,214
  4. Step 4: Simplify right side
    574,862.70x = 254,036,986,498.56
  5. Step 5: Solve for x
    x = 254,036,986,498.56/574,862.70
  6. Step 6: Final answer
    x = 441,908.97

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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.