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Finding the Fourth Proportional to 576,407.18, 795,337.04 and 404,849.34

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Solution

The fourth proportional to 576,407.18, 795,337.04 and 404,849.34 is: 558,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,407.18 : 795,337.04 = 404,849.34 : x
  2. Step 2: Convert to fraction form
    576,407.18/795,337.04 = 404,849.34/x
  3. Step 3: Cross multiply
    576,407.18x = 795,337.04 × 404,849.34
  4. Step 4: Simplify right side
    576,407.18x = 321,991,675,721.55
  5. Step 5: Solve for x
    x = 321,991,675,721.55/576,407.18
  6. Step 6: Final answer
    x = 558,618.43

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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.