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Finding the Fourth Proportional to 529,873.88, 731,225.95 and 303,533.96

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Solution

The fourth proportional to 529,873.88, 731,225.95 and 303,533.96 is: 418,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,873.88 : 731,225.95 = 303,533.96 : x
  2. Step 2: Convert to fraction form
    529,873.88/731,225.95 = 303,533.96/x
  3. Step 3: Cross multiply
    529,873.88x = 731,225.95 × 303,533.96
  4. Step 4: Simplify right side
    529,873.88x = 221,951,903,843.30
  5. Step 5: Solve for x
    x = 221,951,903,843.30/529,873.88
  6. Step 6: Final answer
    x = 418,876.86

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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.