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Finding the Fourth Proportional to 503,454.84, 755,445.54 and 203,967.24

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Solution

The fourth proportional to 503,454.84, 755,445.54 and 203,967.24 is: 306,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,454.84 : 755,445.54 = 203,967.24 : x
  2. Step 2: Convert to fraction form
    503,454.84/755,445.54 = 203,967.24/x
  3. Step 3: Cross multiply
    503,454.84x = 755,445.54 × 203,967.24
  4. Step 4: Simplify right side
    503,454.84x = 154,086,141,764.11
  5. Step 5: Solve for x
    x = 154,086,141,764.11/503,454.84
  6. Step 6: Final answer
    x = 306,057.52

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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.