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Finding the Fourth Proportional to 500,835.87, 751,323.97 and 163,903.01

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Solution

The fourth proportional to 500,835.87, 751,323.97 and 163,903.01 is: 245,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,835.87 : 751,323.97 = 163,903.01 : x
  2. Step 2: Convert to fraction form
    500,835.87/751,323.97 = 163,903.01/x
  3. Step 3: Cross multiply
    500,835.87x = 751,323.97 × 163,903.01
  4. Step 4: Simplify right side
    500,835.87x = 123,144,256,309.09
  5. Step 5: Solve for x
    x = 123,144,256,309.09/500,835.87
  6. Step 6: Final answer
    x = 245,877.47

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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.