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Finding the Fourth Proportional to 503,467.88, 755,203.84 and 203,954.11

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Solution

The fourth proportional to 503,467.88, 755,203.84 and 203,954.11 is: 305,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,467.88 : 755,203.84 = 203,954.11 : x
  2. Step 2: Convert to fraction form
    503,467.88/755,203.84 = 203,954.11/x
  3. Step 3: Cross multiply
    503,467.88x = 755,203.84 × 203,954.11
  4. Step 4: Simplify right side
    503,467.88x = 154,026,924,657.89
  5. Step 5: Solve for x
    x = 154,026,924,657.89/503,467.88
  6. Step 6: Final answer
    x = 305,931.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.