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Finding the Fourth Proportional to 695,309.92, 959,528.08 and 377,357.92

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Solution

The fourth proportional to 695,309.92, 959,528.08 and 377,357.92 is: 520,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,309.92 : 959,528.08 = 377,357.92 : x
  2. Step 2: Convert to fraction form
    695,309.92/959,528.08 = 377,357.92/x
  3. Step 3: Cross multiply
    695,309.92x = 959,528.08 × 377,357.92
  4. Step 4: Simplify right side
    695,309.92x = 362,085,520,450.39
  5. Step 5: Solve for x
    x = 362,085,520,450.39/695,309.92
  6. Step 6: Final answer
    x = 520,754.14

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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.