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Finding the Fourth Proportional to 663,093.89, 994,823.64 and 264,014.91

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Solution

The fourth proportional to 663,093.89, 994,823.64 and 264,014.91 is: 396,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,093.89 : 994,823.64 = 264,014.91 : x
  2. Step 2: Convert to fraction form
    663,093.89/994,823.64 = 264,014.91/x
  3. Step 3: Cross multiply
    663,093.89x = 994,823.64 × 264,014.91
  4. Step 4: Simplify right side
    663,093.89x = 262,648,273,780.47
  5. Step 5: Solve for x
    x = 262,648,273,780.47/663,093.89
  6. Step 6: Final answer
    x = 396,095.15

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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.