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Finding the Fourth Proportional to 694,051.08, 957,772.50 and 383,965.11

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Solution

The fourth proportional to 694,051.08, 957,772.50 and 383,965.11 is: 529,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,051.08 : 957,772.50 = 383,965.11 : x
  2. Step 2: Convert to fraction form
    694,051.08/957,772.50 = 383,965.11/x
  3. Step 3: Cross multiply
    694,051.08x = 957,772.50 × 383,965.11
  4. Step 4: Simplify right side
    694,051.08x = 367,751,223,317.48
  5. Step 5: Solve for x
    x = 367,751,223,317.48/694,051.08
  6. Step 6: Final answer
    x = 529,861.90

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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.