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Finding the Fourth Proportional to 629,437.23, 944,978.94 and 373,736.70

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Solution

The fourth proportional to 629,437.23, 944,978.94 and 373,736.70 is: 561,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,437.23 : 944,978.94 = 373,736.70 : x
  2. Step 2: Convert to fraction form
    629,437.23/944,978.94 = 373,736.70/x
  3. Step 3: Cross multiply
    629,437.23x = 944,978.94 × 373,736.70
  4. Step 4: Simplify right side
    629,437.23x = 353,173,310,605.10
  5. Step 5: Solve for x
    x = 353,173,310,605.10/629,437.23
  6. Step 6: Final answer
    x = 561,093.77

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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.