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Finding the Fourth Proportional to 637,476.36, 955,991.64 and 188,077.92

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Solution

The fourth proportional to 637,476.36, 955,991.64 and 188,077.92 is: 282,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,476.36 : 955,991.64 = 188,077.92 : x
  2. Step 2: Convert to fraction form
    637,476.36/955,991.64 = 188,077.92/x
  3. Step 3: Cross multiply
    637,476.36x = 955,991.64 × 188,077.92
  4. Step 4: Simplify right side
    637,476.36x = 179,800,919,188.59
  5. Step 5: Solve for x
    x = 179,800,919,188.59/637,476.36
  6. Step 6: Final answer
    x = 282,051.12

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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.