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Finding the Fourth Proportional to 573,127.44, 790,684.92 and 346,379.28

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Solution

The fourth proportional to 573,127.44, 790,684.92 and 346,379.28 is: 477,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,127.44 : 790,684.92 = 346,379.28 : x
  2. Step 2: Convert to fraction form
    573,127.44/790,684.92 = 346,379.28/x
  3. Step 3: Cross multiply
    573,127.44x = 790,684.92 × 346,379.28
  4. Step 4: Simplify right side
    573,127.44x = 273,876,873,296.46
  5. Step 5: Solve for x
    x = 273,876,873,296.46/573,127.44
  6. Step 6: Final answer
    x = 477,863.83

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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.