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Finding the Fourth Proportional to 552,512.88, 761,733.72 and 361,197.36

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Solution

The fourth proportional to 552,512.88, 761,733.72 and 361,197.36 is: 497,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,512.88 : 761,733.72 = 361,197.36 : x
  2. Step 2: Convert to fraction form
    552,512.88/761,733.72 = 361,197.36/x
  3. Step 3: Cross multiply
    552,512.88x = 761,733.72 × 361,197.36
  4. Step 4: Simplify right side
    552,512.88x = 275,136,208,686.98
  5. Step 5: Solve for x
    x = 275,136,208,686.98/552,512.88
  6. Step 6: Final answer
    x = 497,972.48

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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.