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Finding the Fourth Proportional to 536,623.54, 803,883.57 and 311,511.94

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Solution

The fourth proportional to 536,623.54, 803,883.57 and 311,511.94 is: 466,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,623.54 : 803,883.57 = 311,511.94 : x
  2. Step 2: Convert to fraction form
    536,623.54/803,883.57 = 311,511.94/x
  3. Step 3: Cross multiply
    536,623.54x = 803,883.57 × 311,511.94
  4. Step 4: Simplify right side
    536,623.54x = 250,419,330,424.83
  5. Step 5: Solve for x
    x = 250,419,330,424.83/536,623.54
  6. Step 6: Final answer
    x = 466,657.37

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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.