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Finding the Fourth Proportional to 374,999.52, 517,498.72 and 205,233.60

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Solution

The fourth proportional to 374,999.52, 517,498.72 and 205,233.60 is: 283,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,999.52 : 517,498.72 = 205,233.60 : x
  2. Step 2: Convert to fraction form
    374,999.52/517,498.72 = 205,233.60/x
  3. Step 3: Cross multiply
    374,999.52x = 517,498.72 × 205,233.60
  4. Step 4: Simplify right side
    374,999.52x = 106,208,125,300.99
  5. Step 5: Solve for x
    x = 106,208,125,300.99/374,999.52
  6. Step 6: Final answer
    x = 283,222.03

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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.