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Finding the Fourth Proportional to 563,768.88, 779,031.79 and 410,540.37

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Solution

The fourth proportional to 563,768.88, 779,031.79 and 410,540.37 is: 567,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,768.88 : 779,031.79 = 410,540.37 : x
  2. Step 2: Convert to fraction form
    563,768.88/779,031.79 = 410,540.37/x
  3. Step 3: Cross multiply
    563,768.88x = 779,031.79 × 410,540.37
  4. Step 4: Simplify right side
    563,768.88x = 319,823,998,282.01
  5. Step 5: Solve for x
    x = 319,823,998,282.01/563,768.88
  6. Step 6: Final answer
    x = 567,296.30

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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.