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Finding the Fourth Proportional to 576,529.98, 795,577.95 and 321,897.30

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Solution

The fourth proportional to 576,529.98, 795,577.95 and 321,897.30 is: 444,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,529.98 : 795,577.95 = 321,897.30 : x
  2. Step 2: Convert to fraction form
    576,529.98/795,577.95 = 321,897.30/x
  3. Step 3: Cross multiply
    576,529.98x = 795,577.95 × 321,897.30
  4. Step 4: Simplify right side
    576,529.98x = 256,094,394,044.54
  5. Step 5: Solve for x
    x = 256,094,394,044.54/576,529.98
  6. Step 6: Final answer
    x = 444,199.61

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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.