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Finding the Fourth Proportional to 577,703.26, 797,215.58 and 319,573.48

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Solution

The fourth proportional to 577,703.26, 797,215.58 and 319,573.48 is: 441,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,703.26 : 797,215.58 = 319,573.48 : x
  2. Step 2: Convert to fraction form
    577,703.26/797,215.58 = 319,573.48/x
  3. Step 3: Cross multiply
    577,703.26x = 797,215.58 × 319,573.48
  4. Step 4: Simplify right side
    577,703.26x = 254,768,951,626.87
  5. Step 5: Solve for x
    x = 254,768,951,626.87/577,703.26
  6. Step 6: Final answer
    x = 441,003.14

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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.